`corecollege.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:bc12^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:7e5^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.229^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.18^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jermaine.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jermaine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jermaine.ns.cloudflare.com`
		A	108.162.195.157^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	162.159.44.157^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	172.64.35.157^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
NS	`joyce.ns.cloudflare.com`
		A	2606:4700:50::a29f:260e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joyce.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joyce.ns.cloudflare.com`
		A	108.162.194.14^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
		A	162.159.38.14^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
		A	172.64.34.14^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
MX	`mx10.antispam.mailspamprotection.com` ⭐
		A	34.149.79.66^{🇺🇸 Google34.148.0.0/14}
			PTR	`66.79.149.34.bc.googleusercontent.com`
MX	`mx20.antispam.mailspamprotection.com`⁽²⁰⁾
		A	34.120.156.61^{🇺🇸 Google34.120.0.0/14}
			PTR	`61.156.120.34.bc.googleusercontent.com`
MX	`mx30.antispam.mailspamprotection.com`⁽³⁰⁾
		A	34.111.121.216^{🇺🇸 Google34.108.0.0/14}
			PTR	`216.121.111.34.bc.googleusercontent.com`
TXT	`v=spf1 +a +mx +a:evm750.sgvps.net include:_spf.mailspamprotection.com include...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.7.229, 172.67.188.18
		IPv6	2606:4700:3031::ac43:bc12, 2606:4700:3035::6815:7e5
SOA	`jermaine.ns.cloudflare.com`dns@cloudflare.com serial=2396930112

`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=1774540547

Same first word

corecollege.com

Similar names

collegecore.in

DNS History

25 records (9 active, 16 former)

●NSjermaine.ns.cloudflare.com2026-02-23 → 2026-03-26 · 3 obs

○ 2017-04-04 21:04:20
● 2026-02-23 21:30:52
● 2026-03-26 15:58:50

●NSjoyce.ns.cloudflare.com2026-02-23 → 2026-03-26 · 3 obs

○ 2017-04-04 21:04:20
● 2026-02-23 21:30:52
● 2026-03-26 15:58:50

○NSns1.namebrightdns.com2015-08-18 → 2017-04-04 · 7 obs

○ 2008-03-13 08:44:02
● 2015-08-18 09:42:28
○ 2015-12-05 11:11:42
● 2016-03-11 09:31:46
● 2017-04-04 21:04:20
○ 2026-02-23 21:30:52
○ 2026-03-26 15:58:50

○NSns2.namebrightdns.com2015-08-18 → 2017-04-04 · 5 obs

○ 2008-03-13 08:44:02
● 2015-08-18 09:42:28
● 2017-04-04 21:04:20
○ 2026-02-23 21:30:52
○ 2026-03-26 15:58:50

○NSnsg1.namebrightdns.com2015-12-05 → 2015-12-05 · 4 obs

○ 2015-08-18 09:42:28
● 2015-12-05 11:11:42
○ 2016-03-11 09:31:46
○ 2026-03-26 15:58:50

○NSpns1.trellian.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 08:44:02
○ 2015-08-18 09:42:28
○ 2026-03-26 15:58:50

○NSpns2.trellian.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 08:44:02
○ 2015-08-18 09:42:28
○ 2026-03-26 15:58:50

○MXmail1.namebrightmail.com2015-12-05 → 2016-07-14 · 4 obs

● 2015-12-05 11:11:42
● 2016-07-14 20:42:30
○ 2017-04-04 21:04:20
○ 2026-03-26 15:58:50

○MXmail2.namebrightmail.com2015-12-05 → 2016-07-14 · 4 obs

● 2015-12-05 11:11:42
● 2016-07-14 20:42:30
○ 2017-04-04 21:04:20
○ 2026-03-26 15:58:50

●MXmx10.antispam.mailspamprotection.com2026-02-23 → 2026-03-26 · 3 obs

○ 2017-04-04 21:04:20
● 2026-02-23 21:30:52
● 2026-03-26 15:58:50

●MXmx20.antispam.mailspamprotection.com2026-02-23 → 2026-03-26 · 3 obs

○ 2017-04-04 21:04:20
● 2026-02-23 21:30:52
● 2026-03-26 15:58:50

●MXmx30.antispam.mailspamprotection.com2026-02-23 → 2026-03-26 · 3 obs

○ 2017-04-04 21:04:20
● 2026-02-23 21:30:52
● 2026-03-26 15:58:50

●A104.21.7.2292026-02-23 → 2026-03-26 · 7 obs

○ 2016-07-14 20:42:30
● 2026-02-23 21:30:52
○ 2026-02-27 10:31:46
● 2026-03-16 04:44:42
○ 2026-03-16 05:56:08
● 2026-03-20 10:53:26
● 2026-03-26 15:58:50

●A172.67.188.182026-02-23 → 2026-03-26 · 7 obs

○ 2016-07-14 20:42:30
● 2026-02-23 21:30:52
○ 2026-02-27 10:31:46
● 2026-03-16 04:44:42
○ 2026-03-16 05:56:08
● 2026-03-20 10:53:26
● 2026-03-26 15:58:50

○A188.114.96.02026-02-27 → 2026-03-16 · 6 obs

○ 2026-02-23 21:30:52
● 2026-02-27 10:31:46
○ 2026-03-16 04:44:42
● 2026-03-16 05:56:08
○ 2026-03-20 10:53:26
○ 2026-03-26 15:58:50

○A188.114.97.02026-02-27 → 2026-03-16 · 6 obs

○ 2026-02-23 21:30:52
● 2026-02-27 10:31:46
○ 2026-03-16 04:44:42
● 2026-03-16 05:56:08
○ 2026-03-20 10:53:26
○ 2026-03-26 15:58:50

○A216.188.26.2352008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 08:44:02
○ 2015-08-18 09:42:28
○ 2026-03-26 15:58:50

●A2606:4700:3031::ac43:bc122026-02-23 → 2026-03-26 · 7 obs

○ 2016-07-14 20:42:30
● 2026-02-23 21:30:52
○ 2026-02-27 10:31:46
● 2026-03-16 04:44:42
○ 2026-03-16 05:56:08
● 2026-03-20 10:53:26
● 2026-03-26 15:58:50

●A2606:4700:3035::6815:7e52026-02-23 → 2026-03-26 · 7 obs

○ 2016-07-14 20:42:30
● 2026-02-23 21:30:52
○ 2026-02-27 10:31:46
● 2026-03-16 04:44:42
○ 2026-03-16 05:56:08
● 2026-03-20 10:53:26
● 2026-03-26 15:58:50

○A2a06:98c1:3120::2026-02-27 → 2026-03-16 · 6 obs

○ 2026-02-23 21:30:52
● 2026-02-27 10:31:46
○ 2026-03-16 04:44:42
● 2026-03-16 05:56:08
○ 2026-03-20 10:53:26
○ 2026-03-26 15:58:50

○A2a06:98c1:3121::2026-02-27 → 2026-03-16 · 6 obs

○ 2026-02-23 21:30:52
● 2026-02-27 10:31:46
○ 2026-03-16 04:44:42
● 2026-03-16 05:56:08
○ 2026-03-20 10:53:26
○ 2026-03-26 15:58:50

○A54.174.31.2542015-08-18 → 2015-08-18 · 4 obs

○ 2008-03-13 08:44:02
● 2015-08-18 09:42:28
○ 2026-02-23 21:30:52
○ 2026-03-26 15:58:50

○A54.175.122.202015-12-05 → 2016-07-14 · 5 obs

○ 2015-08-18 09:42:28
● 2015-12-05 11:11:42
● 2016-07-14 20:42:30
○ 2026-02-23 21:30:52
○ 2026-03-26 15:58:50

○A54.208.74.2152015-08-18 → 2015-08-18 · 4 obs

○ 2008-03-13 08:44:02
● 2015-08-18 09:42:28
○ 2026-02-23 21:30:52
○ 2026-03-26 15:58:50

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-18 → 2015-08-18 · 4 obs

○ 2008-03-13 08:44:02
● 2015-08-18 09:42:28
○ 2015-12-05 11:11:42
○ 2026-03-26 15:58:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
corecollege.com	joyce.ns.cloudflare.com, jermaine.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.157

NS records: joyce.ns.cloudflare.com, jermaine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corecollege.com (unsigned zone)

⏱️ Timing

Total: 157ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.7.229, 172.67.188.18`
AAAA	2	`2606:4700:3035::6815:7e5, 2606:4700:3031::ac43:bc12`
NS	2	`jermaine.ns.cloudflare.com, joyce.ns.cloudflare.com`
MX	3	`mx10.antispam.mailspamprotection.com (pr, mx20.antispam.mailspamprotection.com (pr...`
TXT	1	`v=spf1 +a +mx +a:evm750.sgvps.net includ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jermaine.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

corecollege.com resolves to four IP numbers: 2606:4700:3031::ac43:bc12, 2606:4700:3035::6815:7e5, 104.21.7.229 and 172.67.188.18.

Other host names such as energythai.com, www.blackbeardenali.com, dmbox.cn, www.stalbans.gov.uk and securepayments.info share IPs with corecollege.com.

Name Servers

corecollege.com is delegated to two name servers: jermaine.ns.cloudflare.com and joyce.ns.cloudflare.com.

corecollege.com shares the same name server setup as inter-courses.com, ladybanker.com, clarkmasterson.com, cubephilosophy.com and blueskyphilanthropy.com.

corecollege.com at least partially shares name servers with other domains, for instance zantero.cfd, casio.london, hbgdf.com, 558929.com and selecao-seletivahomeoffice.sbs.

These name servers are commonly used together with dalary.ns.cloudflare.com, jeremy.ns.cloudflare.com and adam.ns.cloudflare.com.

Host names with six IP numbers:

jermaine.ns.cloudflare.com points to 2606:4700:58::a29f:2c9d, 2803:f800:50::6ca2:c39d, 2a06:98c1:50::ac40:239d, 108.162.195.157, 162.159.44.157 and 172.64.35.157.

joyce.ns.cloudflare.com points to 2606:4700:50::a29f:260e, 2803:f800:50::6ca2:c20e, 2a06:98c1:50::ac40:220e, 108.162.194.14, 162.159.38.14 and 172.64.34.14.

Mail Servers

Three mail servers handle corecollege.com: mx10.antispam.mailspamprotection.com, mx20.antispam.mailspamprotection.com and mx30.antispam.mailspamprotection.com.

corecollege.com shares at least partially some mail servers with other domains, including lisciocomelolio.com, franfranco.com, techyteam.co.uk, continuitycentral.com.cdn.cloudflare.net and k99.it.

Host names with a single IP:

mx10.antispam.mailspamprotection.com points to: 34.149.79.66.

mx20.antispam.mailspamprotection.com points to: 34.120.156.61.

mx30.antispam.mailspamprotection.com points to: 34.111.121.216.

corecollege.com - robtex.com

corecollege.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`corecollege.com`

`com`