upstack.com - dns.ninja

`upstack.com`

DNSSEC	⚠️ Not signed
A	35.212.96.187^{🇺🇸 Google35.212.0.0/17}
		PTR	`187.96.212.35.bc.googleusercontent.com`
NS	`axfr.dnsimple.com` ⭐
		A	2600:1f16:ae2:e902:6881:5f5e:c245:887e^{🇺🇸 Amazon2600:1f16:800::/38 AMAZON AWS}
		A	18.189.127.127^{🇺🇸 Amazon18.189.0.0/16 EC2 CMH prefix}
			PTR	`ec2-18-189-127-127.us-east-2.compute.amazonaws.com`
NS	`ns1.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1804^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.dnsimple.com`
		A	162.159.24.4^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dnsimple.com`
NS	`ns100.digicertdns.com`
		A	2600:1800:5::1:1f^{🇺🇸 Tiggee2600:1800:5::/48 DNS Made Easy anycast network}
			PTR	`ns100.digicertdns.com`
		A	208.94.148.63^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns100.digicertdns.com`
NS	`ns101.digicertdns.com`
		A	2600:1801:6::1:1f^{🇺🇸 Tiggee2600:1801:6::/48 DNS Made Easy anycast network}
			PTR	`ns101.digicertdns.com`
		A	208.80.124.63^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns101.digicertdns.com`
NS	`ns102.digicertdns.com`
		A	2600:1802:7::1:1f^{🇺🇸 Tiggee2600:1802:7::/48 DNS Made Easy anycast network}
			PTR	`ns102.digicertdns.com`
		A	208.80.126.63^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns102.digicertdns.com`
NS	`ns2.dnsimple.com`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple.com`
		A	2400:cb00:2049:1::a29f:1a04^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns3.dnsimple.com`
		A	162.159.26.4^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.dnsimple.com`
NS	`ns4.dnsimple.com`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`upstack-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c91d::a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr21cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr04cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f903::^{🇺🇸 Microsoft2a01:111:f000::/36}
		A	2a01:111:f403:f90a::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr03cu00201.inbound.protection.outlook.com`
		A	52.101.9.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.10.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr02cu00301.inbound.protection.outlook.com`
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
		A	52.101.194.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch4pr21cu00107.inbound.protection.outlook.com`
TXT	`00DHu000002tf8Q=1TBV100000000rF`
TXT	`MS=ms38853006`
TXT	`ZOOM_verify_JeLQ32oYYFX4dY2i1URCiK`
TXT	`apple-domain-verification=9rShIAWsKyxmgKLG`
TXT	`atlassian-domain-verification=L9wuGXL971SRowNUciz0G0lzNaTUzKRlAxsunqaPse13KvO...`
TXT	`docusign=43f60ea3-167c-4689-a6b4-4c449e83446e`
TXT	`google-site-verification=GfLkvoxpJLjxuqgzhNceThHw89RkV(0x463450)1dO-UmcydCU`
TXT	`google-site-verification=Q2SuqDtBclqn0_NJhzUrVcZKGmPdnksi_p8oU6PVyPI`
TXT	`pendo-domain-verification=mSDGTfMFz1MC7Eg0Jtnkce9mvKE`
TXT	`v=spf1 ip4:137.116.119.129 ip4:149.72.231.47 ip4:149.72.196.66 include:_spf.g...`
TXT	`jamf-site-verification=Qe7eGevRjrrkSqvBlZpYxw`
SOA	`axfr.dnsimple.com`admin@dnsimple.com serial=1557657880

`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=1780988216

rank #488424 globally
rank #210512 in the tld
WOT: SAFE (76/100)

Subdomains

citadel.upstack.com

american-tower.upstack.com

Same first word

upstack.co

upstack.com

upstack.io

upstack.net

Similar names

tupacks.com

cuptask.com

stackup.sh

stackup.expert

stackup.com.au

stackup.cn

stackup.it

stackup.tech

skatcup.com

stackup.ca

stackup.ai

kutaspc.com

stackup.guru

utpacks.com

taskcup.com

stackup.net

stackup.education

stackup.org

stackup.finance

pustack.com

stackup.com

stackup.io

stackup.dev

stackup.co

stackup.co.uk

stackup.fi

DNS History

19 records (10 active, 9 former)

●NSaxfr.dnsimple.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-06-09 07:24:16

●NSns1.dnsimple.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-06-09 07:24:16

○NSns1.netregistry.net2015-05-20 → 2017-03-19 · 4 obs

● 2015-05-20 23:10:56
● 2017-03-19 17:59:00
○ 2026-02-16 15:32:38
○ 2026-06-09 07:24:16

●NSns100.digicertdns.com2026-03-26 → 2026-06-09 · 3 obs

○ 2026-03-10 10:57:06
● 2026-03-26 13:34:34
● 2026-06-09 07:24:16

●NSns101.digicertdns.com2026-03-26 → 2026-06-09 · 3 obs

○ 2026-03-10 10:57:06
● 2026-03-26 13:34:34
● 2026-06-09 07:24:16

●NSns102.digicertdns.com2026-03-26 → 2026-06-09 · 3 obs

○ 2026-03-10 10:57:06
● 2026-03-26 13:34:34
● 2026-06-09 07:24:16

●NSns2.dnsimple.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-06-09 07:24:16

○NSns2.netregistry.net2015-05-20 → 2017-03-19 · 4 obs

● 2015-05-20 23:10:56
● 2017-03-19 17:59:00
○ 2026-02-16 15:32:38
○ 2026-06-09 07:24:16

●NSns3.dnsimple.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-06-09 07:24:16

○NSns3.netregistry.net2015-05-20 → 2017-03-19 · 4 obs

● 2015-05-20 23:10:56
● 2017-03-19 17:59:00
○ 2026-02-16 15:32:38
○ 2026-06-09 07:24:16

●NSns4.dnsimple.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-06-09 07:24:16

○NSns5.dnsmadeeasy.com2026-02-16 → 2026-03-10 · 5 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-03-10 10:57:06
○ 2026-03-26 13:34:34
○ 2026-06-09 07:24:16

○NSns6.dnsmadeeasy.com2026-02-16 → 2026-03-10 · 5 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-03-10 10:57:06
○ 2026-03-26 13:34:34
○ 2026-06-09 07:24:16

○NSns7.dnsmadeeasy.com2026-02-16 → 2026-03-10 · 5 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-03-10 10:57:06
○ 2026-03-26 13:34:34
○ 2026-06-09 07:24:16

○MXmx2.netregistry.net2015-05-20 → 2017-03-19 · 4 obs

● 2015-05-20 23:10:56
● 2017-03-19 17:59:00
○ 2026-02-16 15:32:38
○ 2026-06-09 07:24:16

○MXmx3.netregistry.net2015-05-20 → 2017-03-19 · 4 obs

● 2015-05-20 23:10:56
● 2017-03-19 17:59:00
○ 2026-02-16 15:32:38
○ 2026-06-09 07:24:16

●MXupstack-com.mail.protection.outlook.com2026-02-16 → 2026-06-09 · 3 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-06-09 07:24:16

○A184.72.103.1072015-05-20 → 2017-03-19 · 4 obs

● 2015-05-20 23:10:56
● 2017-03-19 17:59:00
○ 2026-02-16 15:32:38
○ 2026-06-09 07:24:16

●A35.212.96.1872026-02-16 → 2026-06-09 · 3 obs

○ 2017-03-19 17:59:00
● 2026-02-16 15:32:38
● 2026-06-09 07:24:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
upstack.com	ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com...	14 records

✅ Authoritative Response

Server:208.80.124.63

NS records: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple.com, ns100.digicertdns.com, ns101.digicertdns.com, ns102.digicertdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for upstack.com (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.212.96.187`
NS	7	`ns1.dnsimple.com, ns100.digicertdns.com...`
MX	1	`upstack-com.mail.protection.outlook.com`
TXT	11	`00DHu000002tf8Q=1TBV100000000rF , MS=ms38853006...`
SOA	1	`axfr.dnsimple.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.dnsimple.com, ns1.dnsimple.com, ns2.dnsimple.com...)

Analysis

Hierarchy

citadel.upstack.com and american-tower.upstack.com are both subdomains of upstack.com.

IP Addresses

upstack.com resolves to one IP address: 35.212.96.187.

Other host names, among them 187.96.212.35.bc.googleusercontent.com and upstack.io, have IP numbers in common with upstack.com.

Name Servers

upstack.com has 8 name servers — ns100.digicertdns.com, ns101.digicertdns.com, ns102.digicertdns.com and five more.

At least some of upstack.com's name servers are shared with other domains, for example scott-woodward.com, sanultari.com, f-u-c-k.com and two more.

It is common to see these name servers paired with ns1.dnsimple.com, ns3.dnsimple.com, ns2.dnsimple.com and seven other name servers.

Hostnames that resolve to two IP addresses:

ns100.digicertdns.com maps to two IP addresses — 208.94.148.63 and 2600:1800:5::1:1f.

ns101.digicertdns.com maps to two IP addresses — 208.80.124.63 and 2600:1801:6::1:1f.

ns102.digicertdns.com maps to two IP addresses — 208.80.126.63 and 2600:1802:7::1:1f.

axfr.dnsimple.com maps to two IP addresses — 18.189.127.127 and 2600:1f16:ae2:e902:6881:5f5e:c245:887e.

ns1.dnsimple.com maps to two IP addresses — 162.159.24.4 and 2400:cb00:2049:1::a29f:1804.

ns2.dnsimple.com maps to two IP addresses — 199.247.153.53 and 2620:111:8005::53.

ns3.dnsimple.com maps to two IP addresses — 162.159.26.4 and 2400:cb00:2049:1::a29f:1a04.

ns4.dnsimple.com maps to two IP addresses — 199.247.155.53 and 2620:111:8007::53.

Mail Servers

Mail for upstack.com is handled by a single mail server, upstack-com.mail.protection.outlook.com.

upstack-com.mail.protection.outlook.com resolves to 8 IP numbers — 52.101.9.5, 52.101.10.1, 52.101.41.28 plus five more.