`cortexacampus.com`

DNSSEC	⚠️ Not signed
A	51.105.51.186^{🇬🇧 Microsoft51.104.0.0/15}
NS	`ns1-01.azure-dns.com` ⭐
		A	2603:1061:0:700::1^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
		A	13.107.236.1^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
NS	`ns2-01.azure-dns.net`
		A	2620:1ec:8ec:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
		A	150.171.21.1^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
NS	`ns3-01.azure-dns.org`
		A	2a01:111:4000:700::1^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-01.azure-dns.org`
		A	204.14.183.1^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-01.azure-dns.org`
NS	`ns4-01.azure-dns.info`
		A	2620:1ec:bda:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
		A	208.84.5.1^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
SOA	`ns1-01.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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=1778776951

Same first word

cortexacampus.com

DNS History

9 records (5 active, 4 former)

●NSns1-01.azure-dns.com2026-03-28 → 2026-05-14 · 3 obs

○ 2020-03-29 19:39:20
● 2026-03-28 16:05:02
● 2026-05-14 16:53:56

○NSns1.cortexa-ns.com2015-08-10 → 2020-03-29 · 4 obs

● 2015-08-10 19:51:54
● 2020-03-29 19:39:20
○ 2026-03-28 16:05:02
○ 2026-05-14 16:53:56

●NSns2-01.azure-dns.net2026-03-28 → 2026-05-14 · 3 obs

○ 2020-03-29 19:39:20
● 2026-03-28 16:05:02
● 2026-05-14 16:53:56

○NSns2.cortexa-ns.com2015-08-10 → 2020-03-29 · 4 obs

● 2015-08-10 19:51:54
● 2020-03-29 19:39:20
○ 2026-03-28 16:05:02
○ 2026-05-14 16:53:56

●NSns3-01.azure-dns.org2026-03-28 → 2026-05-14 · 3 obs

○ 2020-03-29 19:39:20
● 2026-03-28 16:05:02
● 2026-05-14 16:53:56

●NSns4-01.azure-dns.info2026-03-28 → 2026-05-14 · 3 obs

○ 2020-03-29 19:39:20
● 2026-03-28 16:05:02
● 2026-05-14 16:53:56

○MXmail.cortexacampus.com2015-08-10 → 2020-03-29 · 4 obs

● 2015-08-10 19:51:54
● 2020-03-29 19:39:20
○ 2026-03-28 16:05:02
○ 2026-05-14 16:53:56

●A51.105.51.1862026-03-28 → 2026-05-14 · 3 obs

○ 2020-03-29 19:39:20
● 2026-03-28 16:05:02
● 2026-05-14 16:53:56

○A77.73.5.1922015-08-10 → 2020-03-29 · 4 obs

● 2015-08-10 19:51:54
● 2020-03-29 19:39:20
○ 2026-03-28 16:05:02
○ 2026-05-14 16:53:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cortexacampus.com	ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.236.1

NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexacampus.com (unsigned zone)

⏱️ Timing

Total: 489ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.105.51.186`
NS	4	`ns1-01.azure-dns.com, ns2-01.azure-dns.net...`
SOA	1	`ns1-01.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-01.azure-dns.com, ns1-01.azure-dns.com)

Analysis

IP Addresses

cortexacampus.com points to a single IP address: 51.105.51.186.

Other host names such as cmostoresacademy.com, adsaacademy.org.uk and haldane-group-academy.com share IP numbers with cortexacampus.com.

Name Servers

cortexacampus.com is delegated to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.

At least part of the name servers for cortexacampus.com are shared with other domains, for instance ansys.hu, xboxzone.com.pt, wkpaw.com, separatingdivorcing.ca and codenauts.com.

Host names with two IP numbers:

ns1-01.azure-dns.com points to: 2603:1061:0:700::1 and 13.107.236.1

ns4-01.azure-dns.info points to: 2620:1ec:bda:700::1 and 208.84.5.1

ns2-01.azure-dns.net points to: 2620:1ec:8ec:700::1 and 150.171.21.1

ns3-01.azure-dns.org points to: 2a01:111:4000:700::1 and 204.14.183.1

cortexacampus.com - robtex.com