checkapp.com - dns.ninja

`checkapp.com`

DNSSEC	⚠️ Not signed
A	198.202.211.1^{🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow}
NS	`ns-163.awsdns-20.com` ⭐
		A	2600:9000:5300:a300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-163.awsdns-20.com`
		A	205.251.192.163^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-163.awsdns-20.com`
NS	`ns-1327.awsdns-37.org`
		A	2600:9000:5305:2f00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1327.awsdns-37.org`
		A	205.251.197.47^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1327.awsdns-37.org`
NS	`ns-1850.awsdns-39.co.uk`
		A	2600:9000:5307:3a00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1850.awsdns-39.co.uk`
		A	205.251.199.58^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1850.awsdns-39.co.uk`
NS	`ns-945.awsdns-54.net`
		A	2600:9000:5303:b100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-945.awsdns-54.net`
		A	205.251.195.177^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-945.awsdns-54.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=Mw0-UQWHiCPIZjj9lKuwrTaXdfgxk-1iIjLkYBUt8cc`
TXT	`v=spf1 include:amazonses.com include:sendgrid.net include:_spf.google.com inc...`
SOA	`ns-163.awsdns-20.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785542142

Subdomains

test.checkapp.com

stage.checkapp.com

Same first word

checkapp.eu

checkapp.com

checkapp.net

checkapp.site

checkapp.it

checkapp.top

checkapp.io

checkapp.org

checkapp.net.br

Similar names

appcheck.eu

appcheck.org

appcheck.de

papcheck.com

appcheck.com

appcheck.hateblo.jp

appcheck.it

appcheck.co.uk

appcheck.azurewebsites.net

DNS History

21 records (10 active, 11 former)

○NSns-1243.awsdns-27.org2016-04-10 → 2016-10-12 · 5 obs

○ 2016-01-19 19:59:48
● 2016-04-10 03:06:30
● 2016-10-12 19:42:44
○ 2017-06-01 05:53:22
○ 2026-08-01 00:07:50

●NSns-1327.awsdns-37.org2017-06-01 → 2026-08-01 · 3 obs

○ 2016-10-12 19:42:44
● 2017-06-01 05:53:22
● 2026-08-01 00:07:50

○NSns-1543.awsdns-00.co.uk2016-04-10 → 2016-10-12 · 5 obs

○ 2016-01-19 19:59:48
● 2016-04-10 03:06:30
● 2016-10-12 19:42:44
○ 2017-06-01 05:53:22
○ 2026-08-01 00:07:50

●NSns-163.awsdns-20.com2017-06-01 → 2026-08-01 · 3 obs

○ 2016-10-12 19:42:44
● 2017-06-01 05:53:22
● 2026-08-01 00:07:50

●NSns-1850.awsdns-39.co.uk2017-06-01 → 2026-08-01 · 3 obs

○ 2016-10-12 19:42:44
● 2017-06-01 05:53:22
● 2026-08-01 00:07:50

○NSns-510.awsdns-63.com2016-04-10 → 2016-10-12 · 5 obs

○ 2016-01-19 19:59:48
● 2016-04-10 03:06:30
● 2016-10-12 19:42:44
○ 2017-06-01 05:53:22
○ 2026-08-01 00:07:50

○NSns-885.awsdns-46.net2016-04-10 → 2016-10-12 · 5 obs

○ 2016-01-19 19:59:48
● 2016-04-10 03:06:30
● 2016-10-12 19:42:44
○ 2017-06-01 05:53:22
○ 2026-08-01 00:07:50

●NSns-945.awsdns-54.net2017-06-01 → 2026-08-01 · 3 obs

○ 2016-10-12 19:42:44
● 2017-06-01 05:53:22
● 2026-08-01 00:07:50

○NSns43.domaincontrol.com2015-06-11 → 2016-01-19 · 4 obs

● 2015-06-11 18:34:38
● 2016-01-19 19:59:48
○ 2016-04-10 03:06:30
○ 2026-08-01 00:07:50

○NSns44.domaincontrol.com2015-06-11 → 2016-01-19 · 4 obs

● 2015-06-11 18:34:38
● 2016-01-19 19:59:48
○ 2016-04-10 03:06:30
○ 2026-08-01 00:07:50

●MXalt1.aspmx.l.google.com2015-06-11 → 2026-08-01 · 2 obs

● 2015-06-11 18:34:38
● 2026-08-01 00:07:50

●MXalt2.aspmx.l.google.com2015-06-11 → 2026-08-01 · 2 obs

● 2015-06-11 18:34:38
● 2026-08-01 00:07:50

●MXalt3.aspmx.l.google.com2016-04-10 → 2026-08-01 · 3 obs

○ 2016-01-19 19:59:48
● 2016-04-10 03:06:30
● 2026-08-01 00:07:50

●MXalt4.aspmx.l.google.com2016-04-10 → 2026-08-01 · 3 obs

○ 2016-01-19 19:59:48
● 2016-04-10 03:06:30
● 2026-08-01 00:07:50

●MXaspmx.l.google.com2015-06-11 → 2026-08-01 · 2 obs

● 2015-06-11 18:34:38
● 2026-08-01 00:07:50

○MXaspmx2.googlemail.com2015-06-11 → 2016-01-19 · 4 obs

● 2015-06-11 18:34:38
● 2016-01-19 19:59:48
○ 2016-04-10 03:06:30
○ 2026-08-01 00:07:50

○MXaspmx3.googlemail.com2015-06-11 → 2016-01-19 · 4 obs

● 2015-06-11 18:34:38
● 2016-01-19 19:59:48
○ 2016-04-10 03:06:30
○ 2026-08-01 00:07:50

●A198.202.211.12026-03-02 → 2026-08-01 · 3 obs

○ 2017-06-01 05:53:22
● 2026-03-02 01:08:56
● 2026-08-01 00:07:50

○A52.11.115.1112017-06-01 → 2017-06-01 · 4 obs

○ 2016-10-12 19:42:44
● 2017-06-01 05:53:22
○ 2026-03-02 01:08:56
○ 2026-08-01 00:07:50

○A54.70.124.332017-06-01 → 2017-06-01 · 4 obs

○ 2016-10-12 19:42:44
● 2017-06-01 05:53:22
○ 2026-03-02 01:08:56
○ 2026-08-01 00:07:50

○A97.74.144.1222015-06-11 → 2016-10-12 · 4 obs

● 2015-06-11 18:34:38
● 2016-10-12 19:42:44
○ 2017-06-01 05:53:22
○ 2026-08-01 00:07:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
checkapp.com	ns-163.awsdns-20.com, ns-945.awsdns-54.net, ns-1850.awsdns-39.co.uk, ns-1327.awsdns-37.org	2 records

✅ Authoritative Response

Server:205.251.199.58

NS records: ns-163.awsdns-20.com, ns-945.awsdns-54.net, ns-1850.awsdns-39.co.uk, ns-1327.awsdns-37.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkapp.com (unsigned zone)

⏱️ Timing

Total: 788ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.202.211.1`
NS	4	`ns-1327.awsdns-37.org, ns-163.awsdns-20.com...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=Mw0-UQWHiCPIZjj, v=spf1 include:amazonses.com include:sen`
SOA	1	`ns-163.awsdns-20.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-163.awsdns-20.com, ns-163.awsdns-20.com)

Analysis

Hierarchy

The parent domain of test.checkapp.com and stage.checkapp.com is checkapp.com.

IP Addresses

checkapp.com directs to one IP number, which is 198.202.211.1.

Among the host names that share IP numbers with checkapp.com are cinohawaii.com, etailsolutions.com, theathleticpresenter.com and two others.

Name Servers

The domain checkapp.com is delegated to these four name servers: ns-163.awsdns-20.com, ns-945.awsdns-54.net, ns-1327.awsdns-37.org and ns-1850.awsdns-39.co.uk.

checkapp.com partially shares its NS delegation with several other domains, including d15hpyjispefl4.cloudfront.net, 68win11.com, ningyou-kitamura.com and two others.

ns-163.awsdns-20.com, ns-945.awsdns-54.net, ns-1327.awsdns-37.org and ns-1850.awsdns-39.co.uk each carry two IP addresses. ns-163.awsdns-20.com has 205.251.192.163 and 2600:9000:5300:a300::1; ns-945.awsdns-54.net has 205.251.195.177 and 2600:9000:5303:b100::1; ns-1327.awsdns-37.org has 205.251.197.47 and 2600:9000:5305:2f00::1; ns-1850.awsdns-39.co.uk has 205.251.199.58 and 2600:9000:5307:3a00::1.

Mail Servers

checkapp.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

checkapp.com shares at least some of its mail servers with other domains — for example ns500693.ns500693.ns500693.ns500734.ns500699.ns500699.ns500693.ns500693.ns500588.ns500588.ns500693.ns500699.ns500699.ns500110.dtrkdll.com, ns500693.ns500734.ns500693.ns500693.ns500734.ns500699.ns500734.ns500693.ns500699.ns500699.ns500699.ns500683.ns500683.ns500683.ns500110.dtrkdll.com, falazy.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com points to 172.253.63.27 and 2607:f8b0:4004:c0b::1a.

alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.