`gcu-programs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c0be^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:445e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.68.94^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.190^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jim.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jim.ns.cloudflare.com`
		A	108.162.193.125^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	172.64.33.125^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
		A	173.245.59.125^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jim.ns.cloudflare.com`
NS	`serenity.ns.cloudflare.com`
		A	2606:4700:50::a29f:266c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serenity.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serenity.ns.cloudflare.com`
		A	108.162.194.108^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	162.159.38.108^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	172.64.34.108^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
TXT	`google-site-verification=JBUZ-184Ct_QddAXqw-sh1smzicxmTcAaGZA3sM8TIE`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.68.94, 172.67.192.190
		IPv6	2606:4700:3030::ac43:c0be, 2606:4700:3033::6815:445e
SOA	`jim.ns.cloudflare.com`dns@cloudflare.com serial=2400157313

`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=1774790597

Same first word

gcu-programs.com

DNS History

15 records (6 active, 9 former)

●NSjim.ns.cloudflare.com2026-02-21 → 2026-03-29 · 3 obs

○ 2018-01-15 08:38:44
● 2026-02-21 16:01:26
● 2026-03-29 13:43:38

○NSns61.domaincontrol.com2016-12-17 → 2018-01-15 · 4 obs

● 2016-12-17 04:08:38
● 2018-01-15 08:38:44
○ 2026-02-21 16:01:26
○ 2026-03-29 13:43:38

○NSns62.domaincontrol.com2016-12-17 → 2018-01-15 · 4 obs

● 2016-12-17 04:08:38
● 2018-01-15 08:38:44
○ 2026-02-21 16:01:26
○ 2026-03-29 13:43:38

●NSserenity.ns.cloudflare.com2026-02-21 → 2026-03-29 · 3 obs

○ 2018-01-15 08:38:44
● 2026-02-21 16:01:26
● 2026-03-29 13:43:38

○MXmailstore1.secureserver.net2016-12-17 → 2018-01-15 · 4 obs

● 2016-12-17 04:08:38
● 2018-01-15 08:38:44
○ 2026-02-21 16:01:26
○ 2026-03-29 13:43:38

○MXsmtp.secureserver.net2016-12-17 → 2018-01-15 · 4 obs

● 2016-12-17 04:08:38
● 2018-01-15 08:38:44
○ 2026-02-21 16:01:26
○ 2026-03-29 13:43:38

●A104.21.68.942026-02-21 → 2026-03-29 · 5 obs

○ 2018-01-15 08:38:44
● 2026-02-21 16:01:26
○ 2026-02-25 03:23:54
● 2026-03-14 15:23:14
● 2026-03-29 13:43:38

●A172.67.192.1902026-02-21 → 2026-03-29 · 5 obs

○ 2018-01-15 08:38:44
● 2026-02-21 16:01:26
○ 2026-02-25 03:23:54
● 2026-03-14 15:23:14
● 2026-03-29 13:43:38

○A184.168.221.572016-12-17 → 2018-01-15 · 4 obs

● 2016-12-17 04:08:38
● 2018-01-15 08:38:44
○ 2026-02-21 16:01:26
○ 2026-03-29 13:43:38

○A188.114.96.02026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 16:01:26
● 2026-02-25 03:23:54
○ 2026-03-14 15:23:14
○ 2026-03-29 13:43:38

○A188.114.97.02026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 16:01:26
● 2026-02-25 03:23:54
○ 2026-03-14 15:23:14
○ 2026-03-29 13:43:38

●A2606:4700:3030::ac43:c0be2026-02-21 → 2026-03-29 · 5 obs

○ 2018-01-15 08:38:44
● 2026-02-21 16:01:26
○ 2026-02-25 03:23:54
● 2026-03-14 15:23:14
● 2026-03-29 13:43:38

●A2606:4700:3033::6815:445e2026-02-21 → 2026-03-29 · 5 obs

○ 2018-01-15 08:38:44
● 2026-02-21 16:01:26
○ 2026-02-25 03:23:54
● 2026-03-14 15:23:14
● 2026-03-29 13:43:38

○A2a06:98c1:3120::2026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 16:01:26
● 2026-02-25 03:23:54
○ 2026-03-14 15:23:14
○ 2026-03-29 13:43:38

○A2a06:98c1:3121::2026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-21 16:01:26
● 2026-02-25 03:23:54
○ 2026-03-14 15:23:14
○ 2026-03-29 13:43:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...	-
gcu-programs.com	jim.ns.cloudflare.com, serenity.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.108

NS records: jim.ns.cloudflare.com, serenity.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gcu-programs.com (unsigned zone)

⏱️ Timing

Total: 85ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.192.190, 104.21.68.94`
AAAA	2	`2606:4700:3033::6815:445e, 2606:4700:3030::ac43:c0be`
NS	2	`jim.ns.cloudflare.com, serenity.ns.cloudflare.com`
TXT	1	`google-site-verification=JBUZ-184Ct_QddA`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jim.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jim.ns.cloudflare.com, jim.ns.cloudflare.com, jim.ns.cloudflare.com...)

Analysis

IP Addresses

gcu-programs.com points to four IP numbers: 2606:4700:3030::ac43:c0be, 2606:4700:3033::6815:445e, 104.21.68.94 and 172.67.192.190.

Other host names, for instance dokerteam.com, chaincs.com, xiaoya287.com, horsemanshipsaddlery.uk and authors.ai share IP numbers with gcu-programs.com.

Name Servers

gcu-programs.com is delegated to two name servers: jim.ns.cloudflare.com and serenity.ns.cloudflare.com.

gcu-programs.com uses the same name server setup as other domains, for instance degrees-purdueuglobal.com, karpame.fr, kawabunga.ca, gcuonlineprograms.com and degreematch.us.

gcu-programs.com shares name servers with other domains at least partially, for instance kombativ.com, firebudgeting.com, grupogaratu.com, firesciqpi.life and gayathriramprasad.com.

these name servers are often used together with the name servers brad.ns.cloudflare.com.

Host names with six IP numbers: jim.ns.cloudflare.com points to 2606:4700:58::adf5:3b7d, 2803:f800:50::6ca2:c17d, 2a06:98c1:50::ac40:217d, 108.162.193.125, 172.64.33.125 and 173.245.59.125; serenity.ns.cloudflare.com points to 2606:4700:50::a29f:266c, 2803:f800:50::6ca2:c26c, 2a06:98c1:50::ac40:226c, 108.162.194.108, 162.159.38.108 and 172.64.34.108.

gcu-programs.com - robtex.com

gcu-programs.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`gcu-programs.com`

`com`