`collegechecking.com`

	CNAME	`exp.gs-cdn.com`
	DNSSEC	⚠️ Not signed
	A	172.65.190.172^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`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=1774442122

Same first word

collegechecking.com

DNS History

19 records (3 active, 16 former)

●NSexpire1.gname-dns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2026-02-26 22:52:58
● 2026-03-25 13:00:06

●NSexpire2.gname-dns.com2026-03-25 → 2026-03-25 · 2 obs

○ 2026-02-26 22:52:58
● 2026-03-25 13:00:06

○NSn1.xundns.com2026-02-26 → 2026-02-26 · 3 obs

○ 2017-03-15 13:51:12
● 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○NSn2.xundns.com2026-02-26 → 2026-02-26 · 3 obs

○ 2017-03-15 13:51:12
● 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○NSns51.domaincontrol.com2015-05-17 → 2017-03-15 · 5 obs

○ 2008-03-18 08:15:08
● 2015-05-17 09:54:16
● 2017-03-15 13:51:12
○ 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○NSns52.domaincontrol.com2015-05-17 → 2017-03-15 · 5 obs

○ 2008-03-18 08:15:08
● 2015-05-17 09:54:16
● 2017-03-15 13:51:12
○ 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○MXalt1.aspmx.l.google.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

○MXalt2.aspmx.l.google.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

○MXaspmx.l.google.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

○MXaspmx2.googlemail.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

○MXaspmx3.googlemail.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

○MXaspmx4.googlemail.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

○MXaspmx5.googlemail.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

○MXmailstore1.secureserver.net2015-05-17 → 2017-03-15 · 5 obs

○ 2008-03-18 08:15:08
● 2015-05-17 09:54:16
● 2017-03-15 13:51:12
○ 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○MXsmtp.secureserver.net2015-05-17 → 2017-03-15 · 5 obs

○ 2008-03-18 08:15:08
● 2015-05-17 09:54:16
● 2017-03-15 13:51:12
○ 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○A156.254.51.2142026-02-26 → 2026-02-26 · 3 obs

○ 2017-03-15 13:51:12
● 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○A184.168.221.602015-05-17 → 2017-03-15 · 5 obs

○ 2008-03-18 08:15:08
● 2015-05-17 09:54:16
● 2017-03-15 13:51:12
○ 2026-02-26 22:52:58
○ 2026-03-25 13:00:06

○A69.13.8.12008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 08:15:08
○ 2015-05-17 09:54:16
○ 2026-03-25 13:00:06

●CNAMEexp.gs-cdn.com2026-03-25 → 2026-03-25 · 1 obs

● 2026-03-25 13:00:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
collegechecking.com	expire1.gname-dns.com, expire2.gname-dns.com	2 records

✅ Authoritative Response

Server:172.64.53.233

NS records: expire1.gname-dns.com, expire2.gname-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for collegechecking.com (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`expire1.gname-dns.com, expire2.gname-dns.com`
CNAME	1	`exp.gs-cdn.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (expire1.gname-dns.com, expire2.gname-dns.com)

Analysis

IP Addresses

collegechecking.com points to a single IP: 172.65.190.172.

Other host names, for example www.g6fo.com, 0syn.com, exp.gs-cdn.com and g6fo.com share IP numbers with collegechecking.com.

collegechecking.com - robtex.com