🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cortexlearning.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1b:4e28:5224:1c17:c95d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.81.72.86^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-81-72-86.compute-1.amazonaws.com`
		A	54.162.28.79^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-28-79.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:b7f8:9db8:e2c0:ea4d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3678:5912:58b4:f1bb^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:972d:ba8c:15bd:1fc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.70.139^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-70-139.compute-1.amazonaws.com`
		A	52.90.122.106^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-90-122-106.compute-1.amazonaws.com`
		A	54.91.117.97^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-91-117-97.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4cc0:5acf:aad1:572a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:bf98:4592:dea7:ef46^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:44ba:1b15:cef8:e750^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.217.152^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-217-152.compute-1.amazonaws.com`
		A	54.82.105.15^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-82-105-15.compute-1.amazonaws.com`
		A	54.209.221.205^{🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-209-221-205.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-10-07 #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=1791389384

Same first word

cortexlearning.in

cortexlearning.com

Similar names

learningcortex.ai

learningcortex.com

Previous names

Next names

DNS History

21 records (7 active, 14 former)

○NSns1.cheapdomains.com2015-05-02 → 2015-10-17 · 4 obs

● 2015-05-02 14:59:26
● 2015-10-17 20:40:56
○ 2015-12-16 00:04:10
○ 2026-10-07 16:22:54

○NSns1.cheapdomains.com.au2015-05-02 → 2015-10-17 · 4 obs

● 2015-05-02 14:59:26
● 2015-10-17 20:40:56
○ 2015-12-16 00:04:10
○ 2026-10-07 16:22:54

●NSns1.namebrightdns.com2016-07-17 → 2026-10-07 · 6 obs

○ 2016-03-18 03:48:52
● 2016-07-17 10:55:54
● 2017-03-15 15:55:42
○ 2020-01-21 03:12:02
● 2026-09-09 00:55:06
● 2026-10-07 16:22:54

○NSns2.cheapdomains.com.au2015-05-02 → 2015-10-17 · 4 obs

● 2015-05-02 14:59:26
● 2015-10-17 20:40:56
○ 2015-12-16 00:04:10
○ 2026-10-07 16:22:54

○NSns2.namebrightdns.com2016-07-17 → 2017-03-15 · 5 obs

○ 2016-03-18 03:48:52
● 2016-07-17 10:55:54
● 2017-03-15 15:55:42
○ 2020-01-21 03:12:02
○ 2026-10-07 16:22:54

●NSnsg1.namebrightdns.com2016-03-18 → 2026-10-07 · 6 obs

○ 2015-12-16 00:04:10
● 2016-03-18 03:48:52
○ 2016-07-17 10:55:54
○ 2017-03-15 15:55:42
● 2020-01-21 03:12:02
● 2026-10-07 16:22:54

●NSnsg2.namebrightdns.com2016-03-18 → 2026-10-07 · 6 obs

○ 2015-12-16 00:04:10
● 2016-03-18 03:48:52
○ 2016-07-17 10:55:54
○ 2017-03-15 15:55:42
● 2020-01-21 03:12:02
● 2026-10-07 16:22:54

○A107.23.198.2402016-07-17 → 2016-07-17 · 4 obs

○ 2016-03-18 03:48:52
● 2016-07-17 10:55:54
○ 2017-03-15 15:55:42
○ 2026-10-07 16:22:54

●A13.223.25.842026-09-09 → 2026-10-07 · 3 obs

○ 2020-01-21 03:12:02
● 2026-09-09 00:55:06
● 2026-10-07 16:22:54

○A203.170.80.2522015-05-02 → 2015-10-17 · 4 obs

● 2015-05-02 14:59:26
● 2015-10-17 20:40:56
○ 2015-12-16 00:04:10
○ 2026-10-07 16:22:54

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-09-09 → 2026-10-07 · 3 obs

○ 2020-01-21 03:12:02
● 2026-09-09 00:55:06
● 2026-10-07 16:22:54

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-09-09 → 2026-10-07 · 3 obs

○ 2020-01-21 03:12:02
● 2026-09-09 00:55:06
● 2026-10-07 16:22:54

○A52.204.129.222017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-17 10:55:54
● 2017-03-15 15:55:42
○ 2020-01-21 03:12:02
○ 2026-10-07 16:22:54

○A52.21.180.2332016-03-18 → 2016-03-18 · 4 obs

○ 2015-12-16 00:04:10
● 2016-03-18 03:48:52
○ 2016-07-17 10:55:54
○ 2026-10-07 16:22:54

○A52.3.120.902016-03-18 → 2016-03-18 · 4 obs

○ 2015-12-16 00:04:10
● 2016-03-18 03:48:52
○ 2016-07-17 10:55:54
○ 2026-10-07 16:22:54

○A52.4.72.1372016-07-17 → 2016-07-17 · 4 obs

○ 2016-03-18 03:48:52
● 2016-07-17 10:55:54
○ 2017-03-15 15:55:42
○ 2026-10-07 16:22:54

●A54.243.117.1972026-09-09 → 2026-10-07 · 3 obs

○ 2020-01-21 03:12:02
● 2026-09-09 00:55:06
● 2026-10-07 16:22:54

○A54.85.127.702017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-17 10:55:54
● 2017-03-15 15:55:42
○ 2020-01-21 03:12:02
○ 2026-10-07 16:22:54

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2016-03-18 → 2016-07-17 · 4 obs

● 2016-03-18 03:48:52
● 2016-07-17 10:55:54
○ 2017-03-15 15:55:42
○ 2026-10-07 16:22:54

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-17 10:55:54
● 2017-03-15 15:55:42
○ 2020-01-21 03:12:02
○ 2026-10-07 16:22:54

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-01-21 → 2020-01-21 · 4 obs

○ 2017-03-15 15:55:42
● 2020-01-21 03:12:02
○ 2026-09-09 00:55:06
○ 2026-10-07 16:22:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cortexlearning.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:13.221.70.139

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cortexlearning.com (unsigned zone)

⏱️ Timing

Total: 210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

cortexlearning.com directs to four IP numbers, which are 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Additional host names — apostbet.com, scoutfree.com, europacase.com and two others — share IP numbers with cortexlearning.com.

Name Servers

cortexlearning.com is served by three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

There is at least partial name server overlap between cortexlearning.com and other domains — romgyms.com, gfiagency.com, globalchron.com and two more among them.

These name servers are routinely deployed together with the name servers ns2.namebrightdns.com.

Host names with 6 IP numbers:

nsg1.namebrightdns.com maps to 13.221.70.139, 52.90.122.106, 54.91.117.97 and 3 additional IP addresses.

nsg2.namebrightdns.com maps to 3.81.217.152, 54.82.105.15, 54.209.221.205 and 3 additional IP addresses.

Host names with three IP numbers:

ns1.namebrightdns.com maps to three IP addresses: 54.81.72.86, 54.162.28.79 and 2600:1f18:683a:ae1b:4e28:5224:1c17:c95d.

cortexlearning.com - robtex.com