certustrust.com - dns.ninja

`certustrust.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:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:303c:9b15:3db3:a8a2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:5a94:e1d2:9d83:c12d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3d4d:6b36:7749:419b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	44.223.19.215^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-223-19-215.compute-1.amazonaws.com`
		A	54.81.37.191^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-81-37-191.compute-1.amazonaws.com`
		A	54.234.103.190^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-190.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ed3d:ef92:9331:4834^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-31 #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=1785556677

Subdomains

owa.certustrust.com

mail.certustrust.com

mailserver.certustrust.com

Same first word

certustrust.com

Similar names

structurest.fr

tstructures.com

DNS History

18 records (7 active, 11 former)

○NSenterprise.ng-it.net2015-08-08 → 2026-02-17 · 4 obs

● 2015-08-08 02:18:16
● 2026-02-17 14:00:54
○ 2026-03-22 14:54:44
○ 2026-08-01 04:06:06

○NSgalileo.ng-it.net2015-08-08 → 2026-02-17 · 4 obs

● 2015-08-08 02:18:16
● 2026-02-17 14:00:54
○ 2026-03-22 14:54:44
○ 2026-08-01 04:06:06

○NShawking.ng-it.net2015-08-08 → 2026-02-17 · 4 obs

● 2015-08-08 02:18:16
● 2026-02-17 14:00:54
○ 2026-03-22 14:54:44
○ 2026-08-01 04:06:06

●NSns1.namebrightdns.com2026-07-09 → 2026-08-01 · 3 obs

○ 2026-03-27 03:12:28
● 2026-07-09 06:34:52
● 2026-08-01 04:06:06

○NSns1.renewyourname.net2026-03-22 → 2026-03-27 · 5 obs

○ 2026-02-17 14:00:54
● 2026-03-22 14:54:44
● 2026-03-27 03:12:28
○ 2026-07-09 06:34:52
○ 2026-08-01 04:06:06

○NSns2.renewyourname.net2026-03-22 → 2026-03-27 · 5 obs

○ 2026-02-17 14:00:54
● 2026-03-22 14:54:44
● 2026-03-27 03:12:28
○ 2026-07-09 06:34:52
○ 2026-08-01 04:06:06

●NSnsg1.namebrightdns.com2026-07-09 → 2026-08-01 · 3 obs

○ 2026-03-27 03:12:28
● 2026-07-09 06:34:52
● 2026-08-01 04:06:06

●NSnsg2.namebrightdns.com2026-07-09 → 2026-08-01 · 3 obs

○ 2026-03-27 03:12:28
● 2026-07-09 06:34:52
● 2026-08-01 04:06:06

○MXmail.certustrust.com 2026-02-17 → 2026-02-17 · 4 obs

○ 2016-11-27 03:06:54
● 2026-02-17 14:00:54
○ 2026-03-22 14:54:44
○ 2026-08-01 04:06:06

○MXmail.certustrust.com\0322015-08-08 → 2016-11-27 · 4 obs

● 2015-08-08 02:18:16
● 2016-11-27 03:06:54
○ 2026-02-17 14:00:54
○ 2026-08-01 04:06:06

○MXmailserver.certustrust.com2015-08-08 → 2026-02-17 · 4 obs

● 2015-08-08 02:18:16
● 2026-02-17 14:00:54
○ 2026-03-22 14:54:44
○ 2026-08-01 04:06:06

○MXowa.certustrust.com2015-08-08 → 2026-02-17 · 4 obs

● 2015-08-08 02:18:16
● 2026-02-17 14:00:54
○ 2026-03-22 14:54:44
○ 2026-08-01 04:06:06

●A13.223.25.842026-07-09 → 2026-08-01 · 3 obs

○ 2026-03-27 03:12:28
● 2026-07-09 06:34:52
● 2026-08-01 04:06:06

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-07-09 → 2026-08-01 · 3 obs

○ 2026-03-27 03:12:28
● 2026-07-09 06:34:52
● 2026-08-01 04:06:06

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-07-09 → 2026-08-01 · 3 obs

○ 2026-03-27 03:12:28
● 2026-07-09 06:34:52
● 2026-08-01 04:06:06

○A52.223.13.412026-03-22 → 2026-03-27 · 5 obs

○ 2026-02-17 14:00:54
● 2026-03-22 14:54:44
● 2026-03-27 03:12:28
○ 2026-07-09 06:34:52
○ 2026-08-01 04:06:06

●A54.243.117.1972026-07-09 → 2026-08-01 · 3 obs

○ 2026-03-27 03:12:28
● 2026-07-09 06:34:52
● 2026-08-01 04:06:06

○A69.195.124.1542015-08-08 → 2026-02-17 · 4 obs

● 2015-08-08 02:18:16
● 2026-02-17 14:00:54
○ 2026-03-22 14:54:44
○ 2026-08-01 04:06:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
certustrust.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:44.223.19.215

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certustrust.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`nsg2.namebrightdns.com, nsg1.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

Hierarchy

owa.certustrust.com, mail.certustrust.com and mailserver.certustrust.com are all subdomains of certustrust.com.

IP Addresses

certustrust.com points to the four IP addresses 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 — topgearauto.com, hpmeter.com, active42.com and two others — share IP numbers with certustrust.com.

Name Servers

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

The name servers of certustrust.com overlap at least partially with those of other domains — among them meteorus.scriptsofts.com, swisswatcher.com, cletter.com and two more.

The name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com are commonly seen alongside these name servers.

Host names with 7 IP numbers:

nsg1.namebrightdns.com resolves to 44.223.19.215, 54.81.37.191, 54.234.103.190 and 4 other IP addresses.

Host names that resolve to five IP addresses:

nsg2.namebrightdns.com points to 54.162.235.48, 54.221.37.2, 174.129.117.232 and two other IP addresses.

Host names with three IP numbers:

ns1.namebrightdns.com points to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.