`cognitivemass.com`

DNSSEC	⚠️ Not signed
NS	`ns-372.awsdns-46.com` ⭐
		A	2600:9000:5301:7400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-372.awsdns-46.com`
		A	205.251.193.116^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-372.awsdns-46.com`
NS	`ns-1384.awsdns-45.org`
		A	2600:9000:5305:6800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1384.awsdns-45.org`
		A	205.251.197.104^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1384.awsdns-45.org`
NS	`ns-1760.awsdns-28.co.uk`
		A	2600:9000:5306:e000::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1760.awsdns-28.co.uk`
		A	205.251.198.224^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1760.awsdns-28.co.uk`
NS	`ns-559.awsdns-05.net`
		A	2600:9000:5302:2f00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-559.awsdns-05.net`
		A	205.251.194.47^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-559.awsdns-05.net`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`v=spf1 include:spf.improvmx.com ~all`
SOA	`ns-372.awsdns-46.com`awsdns-hostmaster@amazon.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=1771291435

Same first word

cognitivemass.com

cognitivemass.net

Similar names

missingoctave.com

DNS History

16 records (6 active, 10 former)

●NSns-1384.awsdns-45.org2026-03-18 → 2026-03-18 · 3 obs

○ 2018-01-30 11:22:20
● 2026-03-18 10:29:36
● 2026-03-18 19:35:28

●NSns-1760.awsdns-28.co.uk2026-03-18 → 2026-03-18 · 3 obs

○ 2018-01-30 11:22:20
● 2026-03-18 10:29:36
● 2026-03-18 19:35:28

●NSns-372.awsdns-46.com2026-03-18 → 2026-03-18 · 3 obs

○ 2018-01-30 11:22:20
● 2026-03-18 10:29:36
● 2026-03-18 19:35:28

●NSns-559.awsdns-05.net2026-03-18 → 2026-03-18 · 3 obs

○ 2018-01-30 11:22:20
● 2026-03-18 10:29:36
● 2026-03-18 19:35:28

○NSns45.domaincontrol.com2018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○NSns46.domaincontrol.com2018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

●MXmx1.improvmx.com2026-03-18 → 2026-03-18 · 2 obs

● 2026-03-18 10:29:36
● 2026-03-18 19:35:28

●MXmx2.improvmx.com2026-03-18 → 2026-03-18 · 2 obs

● 2026-03-18 10:29:36
● 2026-03-18 19:35:28

○A184.168.221.382018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○A184.168.221.462018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○A184.168.221.572018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○A184.168.221.612018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○A50.63.202.342018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○A50.63.202.402018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○A50.63.202.482018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

○A50.63.202.592018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 11:22:20
○ 2026-03-18 10:29:36
○ 2026-03-18 19:35:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cognitivemass.com	ns-559.awsdns-05.net, ns-372.awsdns-46.com, ns-1760.awsdns-28.co.uk, ns-1384.awsdns-45.org	1 record

✅ Authoritative Response

Server: 205.251.198.224

NS records: ns-559.awsdns-05.net, ns-372.awsdns-46.com, ns-1760.awsdns-28.co.uk, ns-1384.awsdns-45.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cognitivemass.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1384.awsdns-45.org, ns-1760.awsdns-28.co.uk...`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	1	`v=spf1 include:spf.improvmx.com ~all`
SOA	1	`ns-372.awsdns-46.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-372.awsdns-46.com)

Analysis

Name Servers

cognitivemass.com is delegated to four name servers: ns-372.awsdns-46.com, ns-559.awsdns-05.net, ns-1384.awsdns-45.org and ns-1760.awsdns-28.co.uk.

cognitivemass.com at least partially shares its name servers with other domains, for instance bothub.studio, dj878rsout2w.cloudfront.net, d34qw05vapp0tl.cloudfront.net, m-scada.de and tm.org.au.

Host names with two IPs: ns-372.awsdns-46.com points to 2600:9000:5301:7400::1 and 205.251.193.116; ns-559.awsdns-05.net points to 2600:9000:5302:2f00::1 and 205.251.194.47; ns-1384.awsdns-45.org points to 2600:9000:5305:6800::1 and 205.251.197.104; ns-1760.awsdns-28.co.uk points to 2600:9000:5306:e000::1 and 205.251.198.224.

Mail Servers

Two mail servers mx1.improvmx.com and mx2.improvmx.com handle cognitivemass.com.

cognitivemass.com uses the same mail server setup as other domains such as predicas.org, sidehustleschool.com, dipin.site, csteachingtips.org and aryajemo.com.

cognitivemass.com shares some mail servers with other domains, including natgeotravel.com, starkit.biz, towns.cz, as62000.net and netcurrent.org.

Host names with six IP numbers:

mx1.improvmx.com points to: 2a05:d012:412:e201:88aa:e7b9:7a43:12d7, 2a05:d012:412:e202:f36:2c1f:1a49:d38a, 2a05:d012:412:e203:373a:f51a:4a85:1d25, 13.37.195.136, 15.236.236.160 and 35.181.18.45.

mx2.improvmx.com points to: 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678, 2a05:d012:412:e202:e81e:cc44:3b53:8a3d, 2a05:d012:412:e203:7e33:3d9c:28d7:ee20, 13.36.107.63, 13.36.222.39 and 15.236.61.92.

cognitivemass.com - robtex.com