🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`contentholder.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:1df7:6999:3ba5:a549^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:1e5c:c390:e3f0:a392^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3d80:47f8:6d2b:afb9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.91.216.93^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-91-216-93.compute-1.amazonaws.com`
		A	54.227.20.11^{🇺🇸 Amazon54.226.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-227-20-11.compute-1.amazonaws.com`
		A	98.87.158.131^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-87-158-131.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:dbe4:7131:a2ea:398^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3419:2493:995f:4deb^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:bd91:31a:8b2e:498b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.58.200^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-58-200.compute-1.amazonaws.com`
		A	54.224.233.180^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-224-233-180.compute-1.amazonaws.com`
		A	98.87.166.25^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-87-166-25.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-19 #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=1787150169

Subdomains

mail.contentholder.com

Same first word

contentholder.com

Previous names

Next names

DNS History

13 records (7 active, 6 former)

○NSns1.metaregistrar.nl2015-06-24 → 2017-08-08 · 4 obs

● 2015-06-24 16:11:52
● 2017-08-08 09:44:58
○ 2026-04-21 19:42:40
○ 2026-08-19 14:56:10

●NSns1.namebrightdns.com2026-04-21 → 2026-08-19 · 3 obs

○ 2017-08-08 09:44:58
● 2026-04-21 19:42:40
● 2026-08-19 14:56:10

○NSns2.metaregistrar.nl2015-06-24 → 2017-08-08 · 4 obs

● 2015-06-24 16:11:52
● 2017-08-08 09:44:58
○ 2026-04-21 19:42:40
○ 2026-08-19 14:56:10

●NSnsg1.namebrightdns.com2026-04-21 → 2026-08-19 · 3 obs

○ 2017-08-08 09:44:58
● 2026-04-21 19:42:40
● 2026-08-19 14:56:10

●NSnsg2.namebrightdns.com2026-04-21 → 2026-08-19 · 3 obs

○ 2017-08-08 09:44:58
● 2026-04-21 19:42:40
● 2026-08-19 14:56:10

○MXmailfilter1.mijndomein.nl2015-06-24 → 2016-11-27 · 4 obs

● 2015-06-24 16:11:52
● 2016-11-27 12:53:38
○ 2017-08-08 09:44:58
○ 2026-08-19 14:56:10

○MXmailfilter2.mijndomein.nl2015-06-24 → 2016-11-27 · 4 obs

● 2015-06-24 16:11:52
● 2016-11-27 12:53:38
○ 2017-08-08 09:44:58
○ 2026-08-19 14:56:10

●A13.223.25.842026-04-21 → 2026-08-19 · 3 obs

○ 2017-08-08 09:44:58
● 2026-04-21 19:42:40
● 2026-08-19 14:56:10

○A188.93.150.492015-06-24 → 2016-04-17 · 4 obs

● 2015-06-24 16:11:52
● 2016-04-17 05:14:24
○ 2016-11-27 12:53:38
○ 2026-08-19 14:56:10

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-21 → 2026-08-19 · 3 obs

○ 2017-08-08 09:44:58
● 2026-04-21 19:42:40
● 2026-08-19 14:56:10

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-21 → 2026-08-19 · 3 obs

○ 2017-08-08 09:44:58
● 2026-04-21 19:42:40
● 2026-08-19 14:56:10

○A37.16.0.1472016-11-27 → 2017-08-08 · 5 obs

○ 2016-04-17 05:14:24
● 2016-11-27 12:53:38
● 2017-08-08 09:44:58
○ 2026-04-21 19:42:40
○ 2026-08-19 14:56:10

●A54.243.117.1972026-04-21 → 2026-08-19 · 3 obs

○ 2017-08-08 09:44:58
● 2026-04-21 19:42:40
● 2026-08-19 14:56:10

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:52.91.216.93

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentholder.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

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

Hierarchy

contentholder.com is a parent domain of mail.contentholder.com.

IP Addresses

contentholder.com resolves to 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.

7cce5.yhtxgroup.com, elatravel.com, nitsuite.com and two other host names share IP numbers with contentholder.com.

Name Servers

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

contentholder.com shares at least some of its name servers with other domains, including names1.ubiquitysoftware.com, padelcarbon.com, huade365.com and two others.

These name servers are frequently paired with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Hostnames that resolve to 6 IP addresses:

nsg1.namebrightdns.com maps to 52.91.216.93, 54.227.20.11, 98.87.158.131 and 3 additional IP addresses.

nsg2.namebrightdns.com maps to 3.80.58.200, 54.224.233.180, 98.87.166.25 and 3 additional IP addresses.

Hostnames that resolve to three IP addresses:

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

contentholder.com - robtex.com