web-proxy.appspot.com - dns.ninja

`web-proxy.appspot.com`

DNSSEC	⚠️ Not signed
A	2607:f8b0:4004:c27::99^{🇺🇸 Google2607:f8b0:4004::/48}
		PTR	`yuiadsk-in-f153.1e100.net`
A	172.253.139.153^{🇺🇸 Google172.253.139.0/24}
MX	`gmr-smtp-in.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::e^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f14.1e100.net`
		A	142.251.163.14^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f14.1e100.net`
MX	`alt1.gmr-smtp-in.l.google.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::e^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.14^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f14.1e100.net`
MX	`alt2.gmr-smtp-in.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::e^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f14.1e100.net`
		A	172.253.116.14^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f14.1e100.net`
MX	`alt3.gmr-smtp-in.l.google.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::e^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f14.1e100.net`
		A	192.178.223.14^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f14.1e100.net`
MX	`alt4.gmr-smtp-in.l.google.com`⁽⁴⁰⁾
		A	2a00:1450:400c:c23::e^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f14.1e100.net`
		A	172.253.157.14^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f14.1e100.net`

`appspot.com`

	DNSSEC	⚠️ Not signed
	A	2607:f8b0:4004:c07::65^{🇺🇸 Google2607:f8b0:4004::/48}
	A	2607:f8b0:4004:c07::66^{🇺🇸 Google2607:f8b0:4004::/48}
	A	2607:f8b0:4004:c07::71^{🇺🇸 Google2607:f8b0:4004::/48}
	A	2607:f8b0:4004:c07::8a^{🇺🇸 Google2607:f8b0:4004::/48}
	A	172.253.62.100^{🇺🇸 Google172.253.62.0/24}
	A	172.253.62.101^{🇺🇸 Google172.253.62.0/24}
	A	172.253.62.102^{🇺🇸 Google172.253.62.0/24}
	A	172.253.62.113^{🇺🇸 Google172.253.62.0/24}
	A	172.253.62.138^{🇺🇸 Google172.253.62.0/24}
	A	172.253.62.139^{🇺🇸 Google172.253.62.0/24}
	NS	`ns1.google.com` ⭐
	NS	`ns2.google.com`
	NS	`ns3.google.com`
	NS	`ns4.google.com`
	TXT	`IPROTA_D29304-(0x585858)`
	TXT	`v=spf1 -all`
	SOA	`ns1.google.com`dns-admin@google.com serial=963337835

WOT: SAFE (64/100)
rank #656 globally
rank #390 in the tld

appspot.com

appspot.com is the default domain Google App Engine assigns to hosted applications. It is operated by Google and serves as the base for app-specific subdomains.

Key facts

Owner / operator: Google
TLD:.com— gTLD
Primary purpose: hosting platform for Google App Engine applications (PaaS)
Status: active

History

Year	Event
2008	Launch of Google App Engine (beta) with default`*.appspot.com`subdomains
2014	Introduction of Managed VMs (precursor to Flexible environment)
2015	General Availability of App Engine Flexible Environment
2020	Automatic SSL for custom domains on App Engine apps

Notable subdomains or services

*.appspot.com– Google App Engine applications

Semrush Rank:#7,468,264 Keywords:1 Traffic:12/mo
WOT: SAFE (82/100)
📈 Tranco rank: #820

Google App Engine Hosting Domain

appspot.com is the default hosting domain for applications deployed on Google App Engine, Google Cloud's fully managed serverless platform for developing and hosting web applications at scale. When developers deploy an application to App Engine, it is automatically assigned a subdomain under appspot.com (e.g.,myproject.appspot.com).

Key Features of App Engine

Serverless Architecture – No server management required; Google handles infrastructure
Automatic Scaling – Capacity adjusts dynamically based on traffic demand
Multi-Language Support – Python, Go, Java, Node.js, PHP, Ruby, and .NET
Two Environments – Standard (pre-configured runtimes) and Flexible (custom containers)

DNS Infrastructure

The domain is hosted entirely on Google's infrastructure:

Record Type	Details
Nameservers	ns1-4.google.com (AS15169)
IPv4	Multiple IPs in 192.178.155.x range
IPv6	2607:f8b0:4004:c23::/64
SPF	`v=spf1 -all`(no mail sent from this domain)
DNSSEC	Not signed

App Engine was one of the first Platform-as-a-Service (PaaS) offerings when Google launched it in 2008, predating competitors like Heroku and AWS Elastic Beanstalk. Today it remains a core component of Google Cloud Platform, serving millions of applications worldwide.

Subdomains

www.web-proxy.appspot.com

Same first word

web-proxy.appspot.com

web-proxy.io

web-proxy.com

web-proxy.de

web-proxy.site

web-proxy.ws

Similar names

proxy-web.de

proxy-web.net

proxy-web.be

proxy-web.com

DNS History

153 records (7 active, 146 former)

●MXalt1.gmr-smtp-in.l.google.com2015-09-07 → 2026-08-13 · 6 obs

● 2015-09-07 03:57:16
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2017-10-06 01:00:32
● 2026-02-16 22:32:38
● 2026-08-13 07:02:38

●MXalt2.gmr-smtp-in.l.google.com2015-09-07 → 2026-08-13 · 6 obs

● 2015-09-07 03:57:16
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2017-10-06 01:00:32
● 2026-02-16 22:32:38
● 2026-08-13 07:02:38

●MXalt3.gmr-smtp-in.l.google.com2015-09-07 → 2026-08-13 · 6 obs

● 2015-09-07 03:57:16
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2017-10-06 01:00:32
● 2026-02-16 22:32:38
● 2026-08-13 07:02:38

●MXalt4.gmr-smtp-in.l.google.com2015-09-07 → 2026-08-13 · 6 obs

● 2015-09-07 03:57:16
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2017-10-06 01:00:32
● 2026-02-16 22:32:38
● 2026-08-13 07:02:38

●MXgmr-smtp-in.l.google.com2015-09-07 → 2026-08-13 · 6 obs

● 2015-09-07 03:57:16
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2017-10-06 01:00:32
● 2026-02-16 22:32:38
● 2026-08-13 07:02:38

○A142.250.117.1532026-06-06 → 2026-07-28 · 11 obs

○ 2026-06-04 05:55:42
● 2026-06-06 02:28:04
○ 2026-06-07 03:43:38
● 2026-06-07 13:22:34
○ 2026-06-08 16:52:26
○ 2026-06-08 17:58:36
● 2026-06-09 04:36:04
○ 2026-06-10 16:01:02
● 2026-07-28 15:15:28
○ 2026-08-03 03:58:28
○ 2026-08-13 07:02:38

○A142.250.129.1532026-06-10 → 2026-08-03 · 15 obs

○ 2026-06-09 04:36:04
● 2026-06-10 16:01:02
○ 2026-06-10 20:46:26
○ 2026-06-10 23:39:34
● 2026-06-11 05:38:56
○ 2026-06-11 07:57:38
● 2026-06-13 04:24:06
○ 2026-06-14 04:59:50
● 2026-06-30 07:18:10
○ 2026-06-30 20:04:12
● 2026-07-16 14:53:38
○ 2026-07-21 01:01:28
● 2026-08-03 03:58:28
○ 2026-08-05 02:22:46
○ 2026-08-13 07:02:38

○A142.250.140.1532026-05-11 → 2026-08-12 · 9 obs

○ 2026-05-09 04:17:28
● 2026-05-11 19:58:42
○ 2026-05-12 10:44:58
○ 2026-05-29 20:11:58
● 2026-06-04 05:55:42
○ 2026-06-06 02:28:04
● 2026-08-12 09:17:56
○ 2026-08-13 07:02:36
○ 2026-08-13 07:02:38

○A142.250.151.1532026-04-29 → 2026-06-14 · 10 obs

○ 2026-04-27 14:14:02
● 2026-04-29 06:01:46
○ 2026-05-02 02:05:30
● 2026-05-03 18:17:16
● 2026-05-04 17:09:50
○ 2026-05-09 04:17:28
○ 2026-06-13 04:24:06
● 2026-06-14 04:59:50
○ 2026-06-27 23:31:14
○ 2026-08-13 07:02:38

○A142.250.188.202026-03-23 → 2026-03-27 · 5 obs

○ 2026-03-21 12:14:58
● 2026-03-23 06:48:12
● 2026-03-27 12:31:02
○ 2026-03-28 12:29:56
○ 2026-08-13 07:02:38

○A142.250.191.202026-04-05 → 2026-04-05 · 4 obs

○ 2026-03-28 12:29:56
● 2026-04-05 02:38:38
○ 2026-04-23 06:55:18
○ 2026-08-13 07:02:38

○A142.250.65.2442026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-14 14:53:58
● 2026-03-16 09:49:50
○ 2026-03-20 00:26:22
○ 2026-08-13 07:02:38

○A142.250.65.842026-06-10 → 2026-06-10 · 4 obs

○ 2026-06-10 16:01:02
● 2026-06-10 20:46:26
○ 2026-06-10 23:39:34
○ 2026-08-13 07:02:38

○A142.250.68.2122026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-27 12:31:02
● 2026-03-28 12:29:56
○ 2026-04-05 02:38:38
○ 2026-08-13 07:02:38

○A142.250.72.202026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-30 07:18:10
● 2026-06-30 20:04:12
○ 2026-07-04 15:14:16
○ 2026-08-13 07:02:38

○A142.251.163.1532026-05-13 → 2026-05-13 · 4 obs

○ 2026-05-12 10:44:58
● 2026-05-13 14:08:34
○ 2026-05-16 02:39:58
○ 2026-08-13 07:02:38

○A142.251.167.1532026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-22 10:47:44
● 2026-05-29 20:11:58
○ 2026-06-04 05:55:42
○ 2026-08-13 07:02:38

○A142.251.211.1802026-03-14 → 2026-03-14 · 4 obs

○ 2026-02-26 18:19:04
● 2026-03-14 14:53:58
○ 2026-03-16 09:49:50
○ 2026-08-13 07:02:38

○A142.251.211.842026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-05 02:38:38
● 2026-04-23 06:55:18
○ 2026-04-23 20:56:00
○ 2026-08-13 07:02:38

○A142.251.214.1162026-04-27 → 2026-05-22 · 14 obs

○ 2026-04-23 20:56:00
● 2026-04-27 14:14:02
○ 2026-04-29 06:01:46
● 2026-05-02 02:05:30
○ 2026-05-03 18:17:16
○ 2026-05-04 17:09:50
● 2026-05-09 04:17:28
○ 2026-05-11 19:58:42
● 2026-05-12 10:44:58
○ 2026-05-13 14:08:34
○ 2026-05-16 02:39:58
● 2026-05-22 10:47:44
○ 2026-05-29 20:11:58
○ 2026-08-13 07:02:38

○A142.251.29.1532026-06-27 → 2026-06-27 · 4 obs

○ 2026-06-14 04:59:50
● 2026-06-27 23:31:14
○ 2026-06-30 07:18:10
○ 2026-08-13 07:02:38

○A142.251.35.1802026-02-16 → 2026-02-16 · 4 obs

○ 2017-05-28 04:29:18
● 2026-02-16 22:32:38
○ 2026-02-26 18:19:04
○ 2026-08-13 07:02:38

○A142.251.40.1162026-02-26 → 2026-07-07 · 6 obs

○ 2026-02-16 22:32:38
● 2026-02-26 18:19:04
○ 2026-03-14 14:53:58
● 2026-07-07 21:00:50
○ 2026-07-16 14:53:38
○ 2026-08-13 07:02:38

○A142.251.45.1802026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 09:53:42
● 2026-03-21 12:14:58
○ 2026-03-23 06:48:12
○ 2026-08-13 07:02:38

○A142.251.45.202026-07-21 → 2026-08-05 · 6 obs

○ 2026-07-16 14:53:38
● 2026-07-21 01:01:28
○ 2026-07-28 15:15:28
● 2026-08-05 02:22:46
○ 2026-08-12 09:17:56
○ 2026-08-13 07:02:38

○A142.251.45.2122026-03-20 → 2026-03-20 · 6 obs

○ 2026-02-16 22:32:38
○ 2026-03-16 09:49:50
● 2026-03-20 00:26:22
● 2026-03-20 09:53:42
○ 2026-03-21 12:14:58
○ 2026-08-13 07:02:38

○A172.217.23.172016-08-05 → 2016-08-05 · 4 obs

○ 2016-07-28 18:17:38
● 2016-08-05 02:34:06
○ 2016-08-14 10:34:24
○ 2026-08-13 07:02:38

○A172.217.3.492016-12-11 → 2016-12-12 · 5 obs

○ 2016-12-09 17:46:06
● 2016-12-11 04:23:44
● 2016-12-12 06:03:06
○ 2016-12-16 08:50:48
○ 2026-08-13 07:02:38

○A172.217.5.1132016-10-11 → 2016-12-09 · 9 obs

○ 2016-10-03 17:57:54
● 2016-10-11 18:00:38
○ 2016-10-19 12:09:06
○ 2016-12-02 18:33:58
● 2016-12-07 07:08:12
○ 2016-12-08 14:20:08
● 2016-12-09 17:46:06
○ 2016-12-11 04:23:44
○ 2026-08-13 07:02:38

○A172.217.6.2412016-12-22 → 2016-12-22 · 4 obs

○ 2016-12-20 14:48:26
● 2016-12-22 21:02:36
○ 2016-12-28 06:26:16
○ 2026-08-13 07:02:38

○A172.217.6.492016-12-08 → 2016-12-18 · 7 obs

○ 2016-12-07 07:08:12
● 2016-12-08 14:20:08
○ 2016-12-09 17:46:06
○ 2016-12-16 08:50:48
● 2016-12-18 23:10:46
○ 2016-12-20 14:48:26
○ 2026-08-13 07:02:38

○A172.217.6.812016-12-28 → 2017-01-02 · 6 obs

○ 2016-12-22 21:02:36
● 2016-12-28 06:26:16
○ 2017-01-01 09:55:16
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2026-08-13 07:02:38

●A172.253.139.1532026-08-13 → 2026-08-13 · 3 obs

○ 2026-08-12 09:17:56
● 2026-08-13 07:02:36
● 2026-08-13 07:02:38

○A173.194.204.1412016-02-14 → 2016-02-14 · 4 obs

○ 2016-02-06 08:36:12
● 2016-02-14 08:59:42
○ 2016-03-27 17:59:24
○ 2026-08-13 07:02:38

○A173.194.205.1412016-06-19 → 2016-10-03 · 7 obs

○ 2016-06-11 18:55:18
● 2016-06-19 19:11:58
○ 2016-07-10 00:56:28
○ 2016-09-23 05:30:48
● 2016-10-03 17:57:54
○ 2016-10-11 18:00:38
○ 2026-08-13 07:02:38

○A173.194.207.1412015-09-15 → 2015-09-22 · 5 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
● 2015-09-22 09:23:24
○ 2015-10-01 12:08:24
○ 2026-08-13 07:02:38

○A173.194.208.1412016-03-27 → 2016-03-27 · 4 obs

○ 2016-02-14 08:59:42
● 2016-03-27 17:59:24
○ 2016-04-10 17:48:16
○ 2026-08-13 07:02:38

○A173.194.67.1412015-09-15 → 2015-11-16 · 7 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
○ 2015-09-18 07:01:26
○ 2015-11-14 12:58:46
● 2015-11-16 08:40:58
○ 2015-11-18 16:11:42
○ 2026-08-13 07:02:38

○A173.194.71.1412015-09-21 → 2015-10-01 · 6 obs

○ 2015-09-19 08:22:20
● 2015-09-21 08:28:48
○ 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
○ 2026-08-13 07:02:38

○A173.194.72.1412015-09-07 → 2015-10-01 · 10 obs

○ 2015-08-10 22:24:12
● 2015-09-07 03:57:16
● 2015-09-15 00:36:40
○ 2015-09-18 07:01:26
● 2015-09-19 08:22:20
○ 2015-09-21 08:28:48
● 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
○ 2026-08-13 07:02:38

○A173.194.79.1412015-08-10 → 2015-12-22 · 10 obs

● 2015-08-10 22:24:12
● 2015-09-07 03:57:16
○ 2015-09-15 00:36:40
○ 2015-09-21 08:28:48
● 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
● 2015-12-22 06:10:14
○ 2015-12-24 17:08:46
○ 2026-08-13 07:02:38

○A192.178.155.1532026-05-16 → 2026-07-04 · 17 obs

○ 2026-05-13 14:08:34
● 2026-05-16 02:39:58
○ 2026-05-22 10:47:44
○ 2026-06-06 02:28:04
● 2026-06-07 03:43:38
○ 2026-06-07 13:22:34
● 2026-06-08 16:52:26
● 2026-06-08 17:58:36
○ 2026-06-09 04:36:04
○ 2026-06-10 20:46:26
● 2026-06-10 23:39:34
○ 2026-06-11 05:38:56
● 2026-06-11 07:57:38
○ 2026-06-13 04:24:06
● 2026-07-04 15:14:16
○ 2026-07-07 21:00:50
○ 2026-08-13 07:02:38

○A192.178.223.1532026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-23 06:55:18
● 2026-04-23 20:56:00
○ 2026-04-27 14:14:02
○ 2026-08-13 07:02:38

○A216.58.192.172015-12-24 → 2016-12-02 · 14 obs

○ 2015-12-22 06:10:14
● 2015-12-24 17:08:46
● 2015-12-31 08:46:04
○ 2016-01-09 09:39:54
○ 2016-01-24 07:09:02
● 2016-01-29 13:40:12
○ 2016-02-06 08:36:12
○ 2016-04-10 17:48:16
● 2016-04-18 12:39:50
○ 2016-04-27 05:45:54
○ 2016-12-01 12:54:18
● 2016-12-02 18:33:58
○ 2016-12-07 07:08:12
○ 2026-08-13 07:02:38

○A216.58.194.1772016-04-27 → 2016-07-20 · 11 obs

○ 2016-04-18 12:39:50
● 2016-04-27 05:45:54
● 2016-05-10 02:42:40
○ 2016-05-17 06:55:02
● 2016-05-25 14:02:10
○ 2016-06-02 09:43:44
○ 2016-06-19 19:11:58
● 2016-07-10 00:56:28
● 2016-07-20 04:21:20
○ 2016-07-28 18:17:38
○ 2026-08-13 07:02:38

○A216.58.194.2092016-07-28 → 2016-07-28 · 4 obs

○ 2016-07-20 04:21:20
● 2016-07-28 18:17:38
○ 2016-08-05 02:34:06
○ 2026-08-13 07:02:38

○A216.58.195.2412016-09-23 → 2016-12-20 · 7 obs

○ 2016-09-10 16:53:38
● 2016-09-23 05:30:48
○ 2016-10-03 17:57:54
○ 2016-12-18 23:10:46
● 2016-12-20 14:48:26
○ 2016-12-22 21:02:36
○ 2026-08-13 07:02:38

○A216.58.195.812016-12-16 → 2017-01-01 · 7 obs

○ 2016-12-12 06:03:06
● 2016-12-16 08:50:48
○ 2016-12-18 23:10:46
○ 2016-12-28 06:26:16
● 2017-01-01 09:55:16
○ 2017-01-02 23:25:38
○ 2026-08-13 07:02:38

○A216.58.198.1772016-12-01 → 2016-12-01 · 4 obs

○ 2016-11-20 03:10:18
● 2016-12-01 12:54:18
○ 2016-12-02 18:33:58
○ 2026-08-13 07:02:38

○A216.58.198.2412016-09-10 → 2016-09-10 · 4 obs

○ 2016-08-25 06:54:38
● 2016-09-10 16:53:38
○ 2016-09-23 05:30:48
○ 2026-08-13 07:02:38

○A216.58.201.1452016-05-17 → 2016-05-17 · 4 obs

○ 2016-05-10 02:42:40
● 2016-05-17 06:55:02
○ 2016-05-25 14:02:10
○ 2026-08-13 07:02:38

○A216.58.204.1162017-04-10 → 2017-04-10 · 4 obs

○ 2017-01-02 23:25:38
● 2017-04-10 14:49:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A216.58.210.1772016-02-06 → 2016-02-06 · 4 obs

○ 2016-01-29 13:40:12
● 2016-02-06 08:36:12
○ 2016-02-14 08:59:42
○ 2026-08-13 07:02:38

○A216.58.216.172016-11-20 → 2016-11-20 · 4 obs

○ 2016-11-09 17:04:46
● 2016-11-20 03:10:18
○ 2016-12-01 12:54:18
○ 2026-08-13 07:02:38

○A216.58.216.492016-04-10 → 2016-04-10 · 4 obs

○ 2016-03-27 17:59:24
● 2016-04-10 17:48:16
○ 2016-04-18 12:39:50
○ 2026-08-13 07:02:38

○A216.58.217.1132016-08-14 → 2016-08-14 · 4 obs

○ 2016-08-05 02:34:06
● 2016-08-14 10:34:24
○ 2016-08-25 06:54:38
○ 2026-08-13 07:02:38

○A216.58.217.1452016-01-09 → 2016-10-19 · 8 obs

○ 2015-12-31 08:46:04
● 2016-01-09 09:39:54
● 2016-01-24 07:09:02
○ 2016-01-29 13:40:12
○ 2016-10-11 18:00:38
● 2016-10-19 12:09:06
○ 2016-11-09 17:04:46
○ 2026-08-13 07:02:38

○A216.58.217.1772016-06-02 → 2016-06-02 · 4 obs

○ 2016-05-25 14:02:10
● 2016-06-02 09:43:44
○ 2016-06-11 18:55:18
○ 2026-08-13 07:02:38

○A216.58.217.2092015-11-13 → 2015-11-14 · 5 obs

○ 2015-11-11 16:48:12
● 2015-11-13 12:28:28
● 2015-11-14 12:58:46
○ 2015-11-16 08:40:58
○ 2026-08-13 07:02:38

○A216.58.219.2092016-08-25 → 2016-08-25 · 4 obs

○ 2016-08-14 10:34:24
● 2016-08-25 06:54:38
○ 2016-09-10 16:53:38
○ 2026-08-13 07:02:38

○A216.58.219.2412016-11-09 → 2016-11-09 · 4 obs

○ 2016-10-19 12:09:06
● 2016-11-09 17:04:46
○ 2016-11-20 03:10:18
○ 2026-08-13 07:02:38

○A2404:6800:4003:c00::8d2015-09-15 → 2015-10-08 · 7 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
● 2015-09-22 09:23:24
○ 2015-10-01 12:08:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A2404:6800:4003:c01::8d2015-08-10 → 2015-09-07 · 4 obs

● 2015-08-10 22:24:12
● 2015-09-07 03:57:16
○ 2015-09-15 00:36:40
○ 2026-08-13 07:02:38

○A2404:6800:4008:c01::8d2015-09-07 → 2015-10-01 · 10 obs

○A2404:6800:4008:c02::8d2015-10-08 → 2015-10-08 · 4 obs

○ 2015-10-01 12:08:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A2404:6800:4008:c04::8d2015-08-10 → 2015-10-01 · 9 obs

● 2015-08-10 22:24:12
● 2015-09-07 03:57:16
○ 2015-09-15 00:36:40
● 2015-09-18 07:01:26
● 2015-09-21 08:28:48
○ 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
○ 2026-08-13 07:02:38

○A2404:6800:4008:c05::8d2015-09-15 → 2015-09-18 · 5 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
● 2015-09-18 07:01:26
○ 2015-09-19 08:22:20
○ 2026-08-13 07:02:38

○A2404:6800:4008:c06::8d2015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 22:24:12
○ 2015-09-07 03:57:16
○ 2026-08-13 07:02:38

○A2404:6800:4008:c07::8d2015-10-08 → 2015-10-08 · 4 obs

○ 2015-10-01 12:08:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A2607:f8b0:4004:80c::20112016-08-14 → 2016-08-14 · 4 obs

○ 2016-08-05 02:34:06
● 2016-08-14 10:34:24
○ 2016-08-25 06:54:38
○ 2026-08-13 07:02:38

○A2607:f8b0:4004:80d::20112016-01-09 → 2016-10-19 · 8 obs

○ 2015-12-31 08:46:04
● 2016-01-09 09:39:54
● 2016-01-24 07:09:02
○ 2016-01-29 13:40:12
○ 2016-10-11 18:00:38
● 2016-10-19 12:09:06
○ 2016-11-09 17:04:46
○ 2026-08-13 07:02:38

○A2607:f8b0:4004:80e::20112016-06-02 → 2016-06-02 · 4 obs

○ 2016-05-25 14:02:10
● 2016-06-02 09:43:44
○ 2016-06-11 18:55:18
○ 2026-08-13 07:02:38

○A2607:f8b0:4004:80f::20112016-12-11 → 2016-12-12 · 5 obs

○ 2016-12-09 17:46:06
● 2016-12-11 04:23:44
● 2016-12-12 06:03:06
○ 2016-12-16 08:50:48
○ 2026-08-13 07:02:38

○A2607:f8b0:4004:c1b::992026-05-13 → 2026-05-13 · 4 obs

○ 2026-05-12 10:44:58
● 2026-05-13 14:08:34
○ 2026-05-16 02:39:58
○ 2026-08-13 07:02:38

○A2607:f8b0:4004:c1d::992026-05-29 → 2026-05-29 · 4 obs

○ 2026-05-22 10:47:44
● 2026-05-29 20:11:58
○ 2026-06-04 05:55:42
○ 2026-08-13 07:02:38

○A2607:f8b0:4004:c23::992026-05-16 → 2026-07-04 · 17 obs

●A2607:f8b0:4004:c27::992026-08-13 → 2026-08-13 · 3 obs

○ 2026-08-12 09:17:56
● 2026-08-13 07:02:36
● 2026-08-13 07:02:38

○A2607:f8b0:4005:801::20112015-12-24 → 2016-12-02 · 14 obs

○A2607:f8b0:4005:804::20112016-04-27 → 2016-07-20 · 11 obs

○A2607:f8b0:4005:805::20112016-07-28 → 2016-07-28 · 4 obs

○ 2016-07-20 04:21:20
● 2016-07-28 18:17:38
○ 2016-08-05 02:34:06
○ 2026-08-13 07:02:38

○A2607:f8b0:4005:806::20112016-09-23 → 2016-12-20 · 7 obs

○ 2016-09-10 16:53:38
● 2016-09-23 05:30:48
○ 2016-10-03 17:57:54
○ 2016-12-18 23:10:46
● 2016-12-20 14:48:26
○ 2016-12-22 21:02:36
○ 2026-08-13 07:02:38

○A2607:f8b0:4005:807::20112016-12-16 → 2017-01-01 · 7 obs

○ 2016-12-12 06:03:06
● 2016-12-16 08:50:48
○ 2016-12-18 23:10:46
○ 2016-12-28 06:26:16
● 2017-01-01 09:55:16
○ 2017-01-02 23:25:38
○ 2026-08-13 07:02:38

○A2607:f8b0:4005:808::20112016-10-11 → 2016-12-09 · 9 obs

○A2607:f8b0:4005:809::20112016-12-08 → 2016-12-18 · 7 obs

○ 2016-12-07 07:08:12
● 2016-12-08 14:20:08
○ 2016-12-09 17:46:06
○ 2016-12-16 08:50:48
● 2016-12-18 23:10:46
○ 2016-12-20 14:48:26
○ 2026-08-13 07:02:38

○A2607:f8b0:4005:80a::20112016-12-28 → 2017-01-02 · 6 obs

○ 2016-12-22 21:02:36
● 2016-12-28 06:26:16
○ 2017-01-01 09:55:16
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:801::20142026-04-05 → 2026-04-05 · 4 obs

○ 2026-03-28 12:29:56
● 2026-04-05 02:38:38
○ 2026-04-23 06:55:18
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:803::20142026-03-23 → 2026-03-27 · 5 obs

○ 2026-03-21 12:14:58
● 2026-03-23 06:48:12
● 2026-03-27 12:31:02
○ 2026-03-28 12:29:56
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:805::20142026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 09:53:42
● 2026-03-21 12:14:58
○ 2026-03-23 06:48:12
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:80e::20112016-08-25 → 2016-08-25 · 4 obs

○ 2016-08-14 10:34:24
● 2016-08-25 06:54:38
○ 2016-09-10 16:53:38
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:80e::20142026-06-10 → 2026-06-10 · 4 obs

○ 2026-06-10 16:01:02
● 2026-06-10 20:46:26
○ 2026-06-10 23:39:34
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:80f::20112016-11-09 → 2016-11-09 · 4 obs

○ 2016-10-19 12:09:06
● 2016-11-09 17:04:46
○ 2016-11-20 03:10:18
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:810::20142026-03-20 → 2026-03-20 · 6 obs

○ 2026-02-16 22:32:38
○ 2026-03-16 09:49:50
● 2026-03-20 00:26:22
● 2026-03-20 09:53:42
○ 2026-03-21 12:14:58
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:812::20142026-03-28 → 2026-03-28 · 4 obs

○ 2026-03-27 12:31:02
● 2026-03-28 12:29:56
○ 2026-04-05 02:38:38
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:813::20142026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-14 14:53:58
● 2026-03-16 09:49:50
○ 2026-03-20 00:26:22
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:819::20142026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-05 02:38:38
● 2026-04-23 06:55:18
○ 2026-04-23 20:56:00
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:81e::20142026-02-16 → 2026-02-16 · 4 obs

○ 2017-05-28 04:29:18
● 2026-02-16 22:32:38
○ 2026-02-26 18:19:04
○ 2026-08-13 07:02:38

○A2607:f8b0:4006:81f::20142026-03-14 → 2026-03-14 · 4 obs

○ 2026-02-26 18:19:04
● 2026-03-14 14:53:58
○ 2026-03-16 09:49:50
○ 2026-08-13 07:02:38

○A2607:f8b0:4007:803::20142026-06-30 → 2026-06-30 · 4 obs

○ 2026-06-30 07:18:10
● 2026-06-30 20:04:12
○ 2026-07-04 15:14:16
○ 2026-08-13 07:02:38

○A2607:f8b0:4007:805::20142026-02-26 → 2026-07-07 · 6 obs

○ 2026-02-16 22:32:38
● 2026-02-26 18:19:04
○ 2026-03-14 14:53:58
● 2026-07-07 21:00:50
○ 2026-07-16 14:53:38
○ 2026-08-13 07:02:38

○A2607:f8b0:4007:808::20112015-11-13 → 2015-11-14 · 5 obs

○ 2015-11-11 16:48:12
● 2015-11-13 12:28:28
● 2015-11-14 12:58:46
○ 2015-11-16 08:40:58
○ 2026-08-13 07:02:38

○A2607:f8b0:4007:808::20142026-07-21 → 2026-08-05 · 6 obs

○ 2026-07-16 14:53:38
● 2026-07-21 01:01:28
○ 2026-07-28 15:15:28
● 2026-08-05 02:22:46
○ 2026-08-12 09:17:56
○ 2026-08-13 07:02:38

○A2607:f8b0:4007:809::20112016-11-20 → 2016-11-20 · 4 obs

○ 2016-11-09 17:04:46
● 2016-11-20 03:10:18
○ 2016-12-01 12:54:18
○ 2026-08-13 07:02:38

○A2607:f8b0:4007:80a::20112016-04-10 → 2016-04-10 · 4 obs

○ 2016-03-27 17:59:24
● 2016-04-10 17:48:16
○ 2016-04-18 12:39:50
○ 2026-08-13 07:02:38

○A2607:f8b0:4007:80c::20142026-04-27 → 2026-05-22 · 14 obs

○A2607:f8b0:400c:c04::8d2015-09-21 → 2015-09-21 · 4 obs

○ 2015-09-19 08:22:20
● 2015-09-21 08:28:48
○ 2015-09-22 09:23:24
○ 2026-08-13 07:02:38

○A2607:f8b0:400c:c0f::8d2016-12-22 → 2016-12-22 · 4 obs

○ 2016-12-20 14:48:26
● 2016-12-22 21:02:36
○ 2016-12-28 06:26:16
○ 2026-08-13 07:02:38

○A2607:f8b0:400d:c00::8d2016-06-11 → 2016-06-11 · 4 obs

○ 2016-06-02 09:43:44
● 2016-06-11 18:55:18
○ 2016-06-19 19:11:58
○ 2026-08-13 07:02:38

○A2607:f8b0:400d:c02::8d2016-06-19 → 2016-10-03 · 7 obs

○ 2016-06-11 18:55:18
● 2016-06-19 19:11:58
○ 2016-07-10 00:56:28
○ 2016-09-23 05:30:48
● 2016-10-03 17:57:54
○ 2016-10-11 18:00:38
○ 2026-08-13 07:02:38

○A2607:f8b0:400d:c04::8d2015-10-01 → 2015-10-01 · 4 obs

○ 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
○ 2026-08-13 07:02:38

○A2607:f8b0:400d:c06::8d2015-08-10 → 2015-11-18 · 12 obs

● 2015-08-10 22:24:12
● 2015-09-07 03:57:16
○ 2015-09-15 00:36:40
● 2015-09-22 09:23:24
● 2015-10-08 11:26:40
○ 2015-11-07 18:38:36
● 2015-11-09 22:44:46
○ 2015-11-11 16:48:12
○ 2015-11-16 08:40:58
● 2015-11-18 16:11:42
○ 2015-12-01 07:15:38
○ 2026-08-13 07:02:38

○A2607:f8b0:400d:c07::8d2016-02-14 → 2016-02-14 · 4 obs

○ 2016-02-06 08:36:12
● 2016-02-14 08:59:42
○ 2016-03-27 17:59:24
○ 2026-08-13 07:02:38

○A2607:f8b0:400d:c09::8d2015-09-15 → 2015-09-22 · 5 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
● 2015-09-22 09:23:24
○ 2015-10-01 12:08:24
○ 2026-08-13 07:02:38

○A2607:f8b0:400d:c0a::8d2016-03-27 → 2016-03-27 · 4 obs

○ 2016-02-14 08:59:42
● 2016-03-27 17:59:24
○ 2016-04-10 17:48:16
○ 2026-08-13 07:02:38

○A2607:f8b0:400e:c01::8d2015-08-10 → 2015-12-22 · 10 obs

○A2607:f8b0:400e:c02::8d2015-10-01 → 2015-10-01 · 4 obs

○ 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
○ 2026-08-13 07:02:38

○A2607:f8b0:400e:c03::8d2015-09-15 → 2015-12-01 · 20 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
● 2015-09-21 08:28:48
○ 2015-09-22 09:23:24
● 2015-10-08 11:26:40
○ 2015-10-10 19:15:04
○ 2015-10-18 16:20:40
● 2015-10-19 22:40:16
○ 2015-10-22 06:13:34
○ 2015-10-26 07:59:08
● 2015-10-27 16:49:56
● 2015-11-05 07:05:10
○ 2015-11-06 07:32:10
○ 2015-11-09 22:44:46
● 2015-11-11 16:48:12
○ 2015-11-13 12:28:28
○ 2015-11-18 16:11:42
● 2015-12-01 07:15:38
○ 2015-12-22 06:10:14
○ 2026-08-13 07:02:38

○A2607:f8b0:400e:c04::8d2015-08-10 → 2015-11-07 · 14 obs

● 2015-08-10 22:24:12
● 2015-09-22 09:23:24
○ 2015-10-01 12:08:24
● 2015-10-08 11:26:40
● 2015-10-18 16:20:40
○ 2015-10-19 22:40:16
● 2015-10-22 06:13:34
● 2015-10-26 07:59:08
○ 2015-10-27 16:49:56
○ 2015-11-05 07:05:10
● 2015-11-06 07:32:10
● 2015-11-07 18:38:36
○ 2015-11-09 22:44:46
○ 2026-08-13 07:02:38

○A2800:3f0:4003:c00::8d2015-08-10 → 2015-10-08 · 7 obs

● 2015-08-10 22:24:12
● 2015-09-19 08:22:20
○ 2015-09-21 08:28:48
● 2015-09-22 09:23:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A2a00:1450:4003:804::20112016-05-17 → 2016-05-17 · 4 obs

○ 2016-05-10 02:42:40
● 2016-05-17 06:55:02
○ 2016-05-25 14:02:10
○ 2026-08-13 07:02:38

○A2a00:1450:4003:808::20112016-02-06 → 2016-02-06 · 4 obs

○ 2016-01-29 13:40:12
● 2016-02-06 08:36:12
○ 2016-02-14 08:59:42
○ 2026-08-13 07:02:38

○A2a00:1450:4007:80a::20142017-04-10 → 2017-04-10 · 4 obs

○ 2017-01-02 23:25:38
● 2017-04-10 14:49:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A2a00:1450:4009:801::20112016-08-05 → 2016-08-05 · 4 obs

○ 2016-07-28 18:17:38
● 2016-08-05 02:34:06
○ 2016-08-14 10:34:24
○ 2026-08-13 07:02:38

○A2a00:1450:4009:809::20112016-12-01 → 2016-12-01 · 4 obs

○ 2016-11-20 03:10:18
● 2016-12-01 12:54:18
○ 2016-12-02 18:33:58
○ 2026-08-13 07:02:38

○A2a00:1450:4009:813::20112016-09-10 → 2016-09-10 · 4 obs

○ 2016-08-25 06:54:38
● 2016-09-10 16:53:38
○ 2016-09-23 05:30:48
○ 2026-08-13 07:02:38

○A2a00:1450:4009:c04::992026-06-06 → 2026-07-28 · 11 obs

○A2a00:1450:4009:c08::992026-06-10 → 2026-08-03 · 15 obs

○A2a00:1450:4009:c0b::992026-05-11 → 2026-08-12 · 9 obs

○A2a00:1450:4009:c0f::992026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-23 06:55:18
● 2026-04-23 20:56:00
○ 2026-04-27 14:14:02
○ 2026-08-13 07:02:38

○A2a00:1450:4009:c13::992026-04-29 → 2026-06-14 · 10 obs

○A2a00:1450:4009:c15::992026-06-27 → 2026-06-27 · 4 obs

○ 2026-06-14 04:59:50
● 2026-06-27 23:31:14
○ 2026-06-30 07:18:10
○ 2026-08-13 07:02:38

○A2a00:1450:400b:c02::8d2015-08-10 → 2015-10-08 · 4 obs

● 2015-08-10 22:24:12
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A2a00:1450:400c:c05::8d2015-09-15 → 2015-11-16 · 7 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
○ 2015-09-18 07:01:26
○ 2015-11-14 12:58:46
● 2015-11-16 08:40:58
○ 2015-11-18 16:11:42
○ 2026-08-13 07:02:38

○A2a00:1450:4010:c02::8d2015-09-22 → 2015-09-22 · 4 obs

○ 2015-09-21 08:28:48
● 2015-09-22 09:23:24
○ 2015-10-01 12:08:24
○ 2026-08-13 07:02:38

○A2a00:1450:4010:c04::8d2015-09-21 → 2015-09-21 · 4 obs

○ 2015-09-19 08:22:20
● 2015-09-21 08:28:48
○ 2015-09-22 09:23:24
○ 2026-08-13 07:02:38

○A64.233.186.1412015-08-10 → 2015-10-08 · 7 obs

● 2015-08-10 22:24:12
● 2015-09-19 08:22:20
○ 2015-09-21 08:28:48
● 2015-09-22 09:23:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A64.233.187.1412015-09-15 → 2015-09-18 · 5 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
● 2015-09-18 07:01:26
○ 2015-09-19 08:22:20
○ 2026-08-13 07:02:38

○A64.233.188.1412015-08-10 → 2015-08-10 · 3 obs

● 2015-08-10 22:24:12
○ 2015-09-07 03:57:16
○ 2026-08-13 07:02:38

○A64.233.189.1412015-10-08 → 2015-10-08 · 4 obs

○ 2015-10-01 12:08:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A74.125.129.1412015-10-01 → 2015-10-01 · 4 obs

○ 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
○ 2026-08-13 07:02:38

○A74.125.130.1412015-08-10 → 2015-09-07 · 4 obs

● 2015-08-10 22:24:12
● 2015-09-07 03:57:16
○ 2015-09-15 00:36:40
○ 2026-08-13 07:02:38

○A74.125.192.1412016-06-11 → 2016-06-11 · 4 obs

○ 2016-06-02 09:43:44
● 2016-06-11 18:55:18
○ 2016-06-19 19:11:58
○ 2026-08-13 07:02:38

○A74.125.200.1412015-09-15 → 2015-10-08 · 7 obs

○ 2015-09-07 03:57:16
● 2015-09-15 00:36:40
● 2015-09-22 09:23:24
○ 2015-10-01 12:08:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A74.125.204.1412015-08-10 → 2015-10-01 · 9 obs

○A74.125.205.1412015-09-22 → 2015-09-22 · 4 obs

○ 2015-09-21 08:28:48
● 2015-09-22 09:23:24
○ 2015-10-01 12:08:24
○ 2026-08-13 07:02:38

○A74.125.22.1412015-08-10 → 2015-11-18 · 12 obs

○A74.125.23.1412015-10-08 → 2015-10-08 · 4 obs

○ 2015-10-01 12:08:24
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A74.125.24.1412015-08-10 → 2015-10-08 · 4 obs

● 2015-08-10 22:24:12
● 2015-10-08 11:26:40
○ 2017-05-28 04:29:18
○ 2026-08-13 07:02:38

○A74.125.25.1412015-09-15 → 2015-12-01 · 20 obs

○A74.125.26.1412015-09-21 → 2015-09-21 · 4 obs

○ 2015-09-19 08:22:20
● 2015-09-21 08:28:48
○ 2015-09-22 09:23:24
○ 2026-08-13 07:02:38

○A74.125.28.1412015-08-10 → 2015-11-07 · 14 obs

○A74.125.29.1412015-10-01 → 2015-10-01 · 4 obs

○ 2015-09-22 09:23:24
● 2015-10-01 12:08:24
○ 2015-10-08 11:26:40
○ 2026-08-13 07:02:38

○CNAMEappspot-preview.l.google.com2017-04-10 → 2026-02-16 · 5 obs

○ 2017-01-02 23:25:38
● 2017-04-10 14:49:40
● 2026-02-16 22:32:38
○ 2026-02-26 18:19:04
○ 2026-08-13 07:02:38

○CNAMEappspot.l.google.com2015-08-10 → 2017-01-02 · 4 obs

● 2015-08-10 22:24:12
● 2017-01-02 23:25:38
○ 2017-04-10 14:49:40
○ 2026-08-13 07:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
appspot.com	ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com	8 records

✅ Authoritative Response

Server:216.239.34.10

NS records: ns2.google.com, ns1.google.com, ns3.google.com, ns4.google.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for appspot.com (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.253.139.153`
AAAA	1	`2607:f8b0:4004:c27::99`
MX	5	`alt4.gmr-smtp-in.l.google.com (pri: 40), alt2.gmr-smtp-in.l.google.com (pri: 20)...`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns2.google.com, ns2.google.com, ns1.google.com...)

Analysis

Hierarchy

web-proxy.appspot.com serves as the parent of www.web-proxy.appspot.com.

IP Addresses

web-proxy.appspot.com resolves to the IP addresses 172.253.139.153 and 2607:f8b0:4004:c27::99

Among the host names that share IP numbers with web-proxy.appspot.com are ahsanovic.appspot.com, granarys-gladly-489782.appspot.com, sale-popup-dot-autoketing-prod-dashboard.appspot.com and two others.

Mail Servers

web-proxy.appspot.com is handled by five mail servers: gmr-smtp-in.l.google.com, alt1.gmr-smtp-in.l.google.com, alt2.gmr-smtp-in.l.google.com and two others.

web-proxy.appspot.com shares at least some of its mail servers with other domains — for example statuette-overlay-436611.appspot.com, paxchristi-viur.appspot.com, autometa-dot-bfsi-data-ai-ml-lab.appspot.com and two more.

These mail servers tend to be used in combination with the mail servers alt3.gmr-smtp-in.l.google.com and alt4.gmr-smtp-in.l.google.com.

Hosts with two IP numbers each:

gmr-smtp-in.l.google.com has two IP addresses: 142.251.163.14 and 2607:f8b0:4004:c1b::e.

alt1.gmr-smtp-in.l.google.com has two IP addresses: 192.178.234.14 and 2800:3f0:4003:c14::e.

alt2.gmr-smtp-in.l.google.com has two IP addresses: 172.253.116.14 and 2a00:1450:400b:c02::e.

alt3.gmr-smtp-in.l.google.com has two IP addresses: 192.178.223.14 and 2a00:1450:4009:c0f::e.

alt4.gmr-smtp-in.l.google.com has two IP addresses: 172.253.157.14 and 2a00:1450:400c:c23::e.