`criticalcomputing.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:732e:a710:1a2d:9541^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b894:1459:cefb:159c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.84.177.148^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-84-177-148.compute-1.amazonaws.com`
		A	100.26.52.119^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-26-52-119.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:e130:40df:7d2d:fff6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:f80e:8935:6cfa:832c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9414:8887:de85:4889^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:e449:b4d3:6fc5:764f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	34.204.14.4^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
			PTR	`ec2-34-204-14-4.compute-1.amazonaws.com`
		A	54.80.105.101^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-80-105-101.compute-1.amazonaws.com`
		A	54.157.216.183^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-157-216-183.compute-1.amazonaws.com`
		A	54.162.80.34^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-80-34.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:f295:30e3:4d6c:6523^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:fe72:ac88:f63a:41ec^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:552f:b85a:fdb3:d5d1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8f3d:e4bf:bfb8:c73c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.82.127.161^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-82-127-161.compute-1.amazonaws.com`
		A	54.90.179.167^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-90-179-167.compute-1.amazonaws.com`
		A	54.198.136.48^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-136-48.compute-1.amazonaws.com`
		A	54.242.26.178^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-26-178.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-05-10 #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=1778395406

Same first word

criticalcomputing.com

DNS History

9 records (7 active, 2 former)

●NSns1.namebrightdns.com2026-03-08 → 2026-05-10 · 2 obs

● 2026-03-08 03:30:34
● 2026-05-10 06:51:44

●NSnsg1.namebrightdns.com2026-03-08 → 2026-05-10 · 2 obs

● 2026-03-08 03:30:34
● 2026-05-10 06:51:44

●NSnsg2.namebrightdns.com2026-03-08 → 2026-05-10 · 2 obs

● 2026-03-08 03:30:34
● 2026-05-10 06:51:44

●A13.223.25.842026-03-08 → 2026-05-10 · 3 obs

○ 2019-01-13 00:43:52
● 2026-03-08 03:30:34
● 2026-05-10 06:51:44

○A207.148.248.1432015-11-21 → 2019-01-13 · 5 obs

○ 2015-07-15 21:32:58
● 2015-11-21 10:48:44
● 2019-01-13 00:43:52
○ 2026-03-08 03:30:34
○ 2026-05-10 06:51:44

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-08 → 2026-05-10 · 3 obs

○ 2019-01-13 00:43:52
● 2026-03-08 03:30:34
● 2026-05-10 06:51:44

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-08 → 2026-05-10 · 3 obs

○ 2019-01-13 00:43:52
● 2026-03-08 03:30:34
● 2026-05-10 06:51:44

●A54.243.117.1972026-03-08 → 2026-05-10 · 3 obs

○ 2019-01-13 00:43:52
● 2026-03-08 03:30:34
● 2026-05-10 06:51:44

○A66.151.181.492015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 21:32:58
○ 2015-11-21 10:48:44
○ 2026-05-10 06:51:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
criticalcomputing.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	16 records

✅ Authoritative Response

Server:34.204.14.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for criticalcomputing.com (unsigned zone)

⏱️ Timing

Total: 136ms | Queries: -

📄 Records

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

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

criticalcomputing.com resolves to four IPs: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names such as sindesc.com, idignite.com, 49c72.jsdcoffee.com, hecsgear.com and bee321.com share IP numbers with criticalcomputing.com.

Name Servers

criticalcomputing.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

At least part of the name servers for criticalcomputing.com are shared with other domains, for instance 61f10.jsdcoffee.com, www.atelierdune.com, tileclick.com, och.spirenet.com and mail.qspectrum.com.

These name servers are often used together with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with eight IP numbers:

The host name nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:e130:40df:7d2d:fff6, 2600:1f18:683a:ae1a:f80e:8935:6cfa:832c, 2600:1f18:683a:ae1b:9414:8887:de85:4889, 2600:1f18:683a:ae1b:e449:b4d3:6fc5:764f, 34.204.14.4, 54.80.105.101, 54.157.216.183 and 54.162.80.34.

The host name nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:f295:30e3:4d6c:6523, 2600:1f18:683a:ae1a:fe72:ac88:f63a:41ec, 2600:1f18:683a:ae1b:552f:b85a:fdb3:d5d1, 2600:1f18:683a:ae1b:8f3d:e4bf:bfb8:c73c, 54.82.127.161, 54.90.179.167, 54.198.136.48 and 54.242.26.178.

Host names with four IP numbers:

The host name ns1.namebrightdns.com points to: 2600:1f18:683a:ae1b:732e:a710:1a2d:9541, 2600:1f18:683a:ae1b:b894:1459:cefb:159c, 3.84.177.148 and 100.26.52.119.

criticalcomputing.com - robtex.com