mathcog.org - dns.ninja

`mathcog.org`

DNSSEC	🔒 Signed (DS record present)
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`ns-cloud-b1.googledomains.com` ⭐
		A	2001:4860:4802:32::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b1.googledomains.com`
		A	216.239.32.107^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-b1.googledomains.com`
NS	`ns-cloud-b2.googledomains.com`
		A	2001:4860:4802:34::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b2.googledomains.com`
		A	216.239.34.107^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-b2.googledomains.com`
NS	`ns-cloud-b3.googledomains.com`
		A	2001:4860:4802:36::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b3.googledomains.com`
		A	216.239.36.107^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-b3.googledomains.com`
NS	`ns-cloud-b4.googledomains.com`
		A	2001:4860:4802:38::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b4.googledomains.com`
		A	216.239.38.107^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-b4.googledomains.com`
SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=10

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783444011

Same first word

mathcog.org

Similar names

matchgo.com

gmochat.com

gotcham.com

gatchmo.com

gomatch.in

chatomg.com

gomatch.live

gomatch.net

hcomtag.com

gomatch.me

matchgo.nl

omgchat.com

gothcam.com

gomatch.com

gomatch.de

gomatch.dk

matchgo.cn

gothamc.com

DNS History

19 records (12 active, 7 former)

●NSns-cloud-b1.googledomains.com2026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●NSns-cloud-b2.googledomains.com2026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●NSns-cloud-b3.googledomains.com2026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●NSns-cloud-b4.googledomains.com2026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

○NSns07.domaincontrol.com2015-07-21 → 2020-03-07 · 4 obs

● 2015-07-21 15:49:14
● 2020-03-07 21:09:18
○ 2026-02-22 20:59:12
○ 2026-07-07 17:24:04

○NSns08.domaincontrol.com2015-07-21 → 2020-03-07 · 4 obs

● 2015-07-21 15:49:14
● 2020-03-07 21:09:18
○ 2026-02-22 20:59:12
○ 2026-07-07 17:24:04

○MXmailstore1.secureserver.net2015-07-21 → 2020-03-07 · 4 obs

● 2015-07-21 15:49:14
● 2020-03-07 21:09:18
○ 2026-02-22 20:59:12
○ 2026-07-07 17:24:04

○MXsmtp.secureserver.net2015-07-21 → 2020-03-07 · 4 obs

● 2015-07-21 15:49:14
● 2020-03-07 21:09:18
○ 2026-02-22 20:59:12
○ 2026-07-07 17:24:04

○A107.180.46.1892016-07-23 → 2020-03-07 · 5 obs

○ 2016-01-16 22:25:58
● 2016-07-23 03:58:24
● 2020-03-07 21:09:18
○ 2026-02-22 20:59:12
○ 2026-07-07 17:24:04

●A185.199.108.1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●A185.199.109.1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●A185.199.110.1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●A185.199.111.1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●A2606:50c0:8000::1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●A2606:50c0:8001::1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●A2606:50c0:8002::1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

●A2606:50c0:8003::1532026-02-22 → 2026-07-07 · 3 obs

○ 2020-03-07 21:09:18
● 2026-02-22 20:59:12
● 2026-07-07 17:24:04

○A50.62.160.1172015-07-21 → 2015-11-19 · 4 obs

● 2015-07-21 15:49:14
● 2015-11-19 10:36:20
○ 2016-01-16 22:25:58
○ 2026-07-07 17:24:04

○A50.63.202.622016-01-16 → 2016-01-16 · 4 obs

○ 2015-11-19 10:36:20
● 2016-01-16 22:25:58
○ 2016-07-23 03:58:24
○ 2026-07-07 17:24:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
mathcog.org	ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com	-

✅ Authoritative Response

Server:216.239.32.107

NS records: ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 619ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.110.153, 185.199.108.153...`
AAAA	4	`2606:50c0:8001::153, 2606:50c0:8002::153...`
NS	4	`ns-cloud-b1.googledomains.com, ns-cloud-b4.googledomains.com...`
SOA	1	`ns-cloud-b1.googledomains.com cloud-dns-`

Analysis

IP Addresses

mathcog.org has 8 IP addresses — 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 more.

weiruane.github.io, ezrealan.github.io, milohax.org and two other host names share IP numbers with mathcog.org.

Name Servers

The authoritative name servers for mathcog.org are ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

mathcog.org shares at least some of its name servers with other domains, including revive.run, oenergies.fr, thelanwanman.com and two others.

The host names ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com each resolve to two IP addresses: ns-cloud-b1.googledomains.com resolves to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com resolves to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com resolves to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com resolves to 216.239.38.107 and 2001:4860:4802:38::6b.