`coldtunnel.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:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.93.61.140^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-61-140.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`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:18c:37a5:651d:7bdc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		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	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-05 #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=1785933039

Subdomains

nullmx.coldtunnel.com

Same first word

coldtunnel.com

DNS History

25 records (7 active, 18 former)

○NSdns1.registrar-servers.com2015-11-11 → 2017-10-23 · 7 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2016-01-31 23:31:02
○ 2016-04-21 16:05:18
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○NSdns1.registrar-servers.com,2016-04-21 → 2017-10-23 · 5 obs

○ 2016-01-31 23:31:02
● 2016-04-21 16:05:18
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○NSdns2.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○NSdns3.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○NSdns4.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○NSdns5.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

●NSns1.namebrightdns.com2026-05-08 → 2026-08-05 · 3 obs

○ 2017-10-23 04:09:18
● 2026-05-08 09:04:16
● 2026-08-05 12:47:26

○NSns12.parked-domains.net2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 17:51:06
○ 2015-11-11 19:40:02
○ 2026-08-05 12:47:26

○NSns5.parked-domains.net2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 17:51:06
○ 2015-11-11 19:40:02
○ 2026-08-05 12:47:26

○NSns6.parked-domains.net2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 17:51:06
○ 2015-11-11 19:40:02
○ 2026-08-05 12:47:26

●NSnsg1.namebrightdns.com2026-05-08 → 2026-08-05 · 3 obs

○ 2017-10-23 04:09:18
● 2026-05-08 09:04:16
● 2026-08-05 12:47:26

●NSnsg2.namebrightdns.com2026-05-08 → 2026-08-05 · 3 obs

○ 2017-10-23 04:09:18
● 2026-05-08 09:04:16
● 2026-08-05 12:47:26

○MXeforward1.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○MXeforward2.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○MXeforward3.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○MXeforward4.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○MXeforward5.registrar-servers.com2015-11-11 → 2017-10-23 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○MXnullmx.coldtunnel.com2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 17:51:06
○ 2015-11-11 19:40:02
○ 2026-08-05 12:47:26

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

○ 2017-10-23 04:09:18
● 2026-05-08 09:04:16
● 2026-08-05 12:47:26

○A162.255.119.2512015-11-11 → 2016-01-31 · 5 obs

○ 2008-03-13 17:51:06
● 2015-11-11 19:40:02
● 2016-01-31 23:31:02
○ 2016-04-21 16:05:18
○ 2026-08-05 12:47:26

○A192.64.119.1062016-04-21 → 2017-10-23 · 5 obs

○ 2016-01-31 23:31:02
● 2016-04-21 16:05:18
● 2017-10-23 04:09:18
○ 2026-05-08 09:04:16
○ 2026-08-05 12:47:26

○A217.68.70.692008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 17:51:06
○ 2015-11-11 19:40:02
○ 2026-08-05 12:47:26

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

○ 2017-10-23 04:09:18
● 2026-05-08 09:04:16
● 2026-08-05 12:47:26

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

○ 2017-10-23 04:09:18
● 2026-05-08 09:04:16
● 2026-08-05 12:47:26

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

○ 2017-10-23 04:09:18
● 2026-05-08 09:04:16
● 2026-08-05 12:47:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
coldtunnel.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:174.129.117.232

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coldtunnel.com (unsigned zone)

⏱️ Timing

Total: 365ms | 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: 12

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

Analysis

Hierarchy

nullmx.coldtunnel.com is delegated beneath coldtunnel.com.

IP Addresses

coldtunnel.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.

Two other host names, along with zzack.com, mail.ourhomeground.com and mxhost.webdesignprojects.com, also share IP numbers with coldtunnel.com.

Name Servers

coldtunnel.com carries NS records delegating to ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

There is at least partial name server overlap between coldtunnel.com and other domains — www.indigodrone.com, geralink.com, mail.expotia.com and two more among them.

The name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com are often found in combination with these name servers.

DNS names with 7 IP addresses:

nsg2.namebrightdns.com resolves to 54.162.235.48, 54.221.37.2 and 54.235.53.129 among others, with 4 other IP addresses in total.

Host names directing to five IP addresses:

nsg1.namebrightdns.com has four IP addresses — 3.93.61.140, 54.234.103.190, 174.129.117.232 and two others.

Hostnames that map to three IP numbers:

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

coldtunnel.com - robtex.com

coldtunnel.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`coldtunnel.com`

`com`