`ctc21.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:f77:89a0:bb92:5271^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:5f14:22b0:b9c3:970f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a510:c365:d06a:e73a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.94.169.176^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-94-169-176.compute-1.amazonaws.com`
		A	52.91.47.137^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-91-47-137.compute-1.amazonaws.com`
		A	54.242.11.84^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-11-84.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9806:d504:f0e4:26c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a00e:60bf:4fb5:f5b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.209.21^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-209-21.compute-1.amazonaws.com`
		A	13.220.56.184^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-220-56-184.compute-1.amazonaws.com`
		A	44.220.149.224^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-220-149-224.compute-1.amazonaws.com`
		A	54.88.138.42^{🇺🇸 Amazon54.88.0.0/16 EC2 IAD VPC prefix}
			PTR	`ec2-54-88-138-42.compute-1.amazonaws.com`
		A	98.81.135.11^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-135-11.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:6371:849e:3916:7db3^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e842:8110:107c:b494^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:264e:d08b:fb10:3898^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.217.230^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-217-230.compute-1.amazonaws.com`
		A	13.221.125.168^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-125-168.compute-1.amazonaws.com`
		A	18.209.34.29^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-209-34-29.compute-1.amazonaws.com`
		A	54.242.15.135^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-15-135.compute-1.amazonaws.com`
		A	98.93.89.251^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-89-251.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-26 #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=1774540547

Same first word

ctc21.com

Similar names

21cct.com

tcc21.co.jp

21ctc.co.uk

DNS History

19 records (7 active, 12 former)

●NSns1.namebrightdns.com2015-08-21 → 2026-03-26 · 7 obs

● 2015-08-21 07:51:42
○ 2015-12-19 20:07:02
● 2016-03-28 09:57:48
● 2016-11-19 03:16:36
○ 2019-02-14 07:14:48
● 2026-02-19 23:18:00
● 2026-03-26 16:03:44

○NSns2.namebrightdns.com2015-08-21 → 2016-11-19 · 6 obs

● 2015-08-21 07:51:42
○ 2015-12-19 20:07:02
● 2016-03-28 09:57:48
● 2016-11-19 03:16:36
○ 2019-02-14 07:14:48
○ 2026-03-26 16:03:44

●NSnsg1.namebrightdns.com2015-12-19 → 2026-03-26 · 6 obs

○ 2015-08-21 07:51:42
● 2015-12-19 20:07:02
○ 2016-03-28 09:57:48
○ 2016-11-19 03:16:36
● 2019-02-14 07:14:48
● 2026-03-26 16:03:44

●NSnsg2.namebrightdns.com2015-08-21 → 2026-03-26 · 6 obs

● 2015-08-21 07:51:42
● 2015-12-19 20:07:02
○ 2016-03-28 09:57:48
○ 2016-11-19 03:16:36
● 2019-02-14 07:14:48
● 2026-03-26 16:03:44

○A107.23.160.2182015-12-19 → 2015-12-19 · 4 obs

○ 2015-08-21 07:51:42
● 2015-12-19 20:07:02
○ 2016-03-28 09:57:48
○ 2026-03-26 16:03:44

●A13.223.25.842026-02-19 → 2026-03-26 · 3 obs

○ 2019-02-14 07:14:48
● 2026-02-19 23:18:00
● 2026-03-26 16:03:44

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-19 → 2026-03-26 · 3 obs

○ 2019-02-14 07:14:48
● 2026-02-19 23:18:00
● 2026-03-26 16:03:44

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-19 → 2026-03-26 · 3 obs

○ 2019-02-14 07:14:48
● 2026-02-19 23:18:00
● 2026-03-26 16:03:44

○A52.21.180.2332016-03-28 → 2016-03-28 · 4 obs

○ 2015-12-19 20:07:02
● 2016-03-28 09:57:48
○ 2016-11-19 03:16:36
○ 2026-03-26 16:03:44

○A52.3.120.902016-03-28 → 2016-03-28 · 4 obs

○ 2015-12-19 20:07:02
● 2016-03-28 09:57:48
○ 2016-11-19 03:16:36
○ 2026-03-26 16:03:44

○A52.5.157.2202016-11-19 → 2016-11-19 · 4 obs

○ 2016-03-28 09:57:48
● 2016-11-19 03:16:36
○ 2019-02-14 07:14:48
○ 2026-03-26 16:03:44

○A54.174.31.2542015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 07:51:42
○ 2019-02-14 07:14:48
○ 2026-03-26 16:03:44

○A54.208.74.2152015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 07:51:42
○ 2019-02-14 07:14:48
○ 2026-03-26 16:03:44

○A54.209.90.812015-12-19 → 2015-12-19 · 4 obs

○ 2015-08-21 07:51:42
● 2015-12-19 20:07:02
○ 2016-03-28 09:57:48
○ 2026-03-26 16:03:44

●A54.243.117.1972026-02-19 → 2026-03-26 · 3 obs

○ 2019-02-14 07:14:48
● 2026-02-19 23:18:00
● 2026-03-26 16:03:44

○A54.84.53.382016-11-19 → 2016-11-19 · 4 obs

○ 2016-03-28 09:57:48
● 2016-11-19 03:16:36
○ 2019-02-14 07:14:48
○ 2026-03-26 16:03:44

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-21 → 2016-03-28 · 4 obs

● 2015-08-21 07:51:42
● 2016-03-28 09:57:48
○ 2016-11-19 03:16:36
○ 2026-03-26 16:03:44

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-11-19 → 2016-11-19 · 4 obs

○ 2016-03-28 09:57:48
● 2016-11-19 03:16:36
○ 2019-02-14 07:14:48
○ 2026-03-26 16:03:44

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-02-14 → 2019-02-14 · 4 obs

○ 2016-11-19 03:16:36
● 2019-02-14 07:14:48
○ 2026-02-19 23:18:00
○ 2026-03-26 16:03:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...	-
ctc21.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	20 records

✅ Authoritative Response

Server:13.221.125.168

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctc21.com (unsigned zone)

⏱️ Timing

Total: 318ms | 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	`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: 20

Out-of-bailiwick: 20 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

ctc21.com points to four IP numbers: 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, for instance virtualglider.com, guideforcaregivers.com, bestportable.com, impactagenda.com and seriousvibrations.com share IP numbers with ctc21.com.

Name Servers

ctc21.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

ctc21.com at least partially shares its name servers with other domains, for instance ns4.datxos.com, beforeprint.com, sign77.com, ns2.irovr.com and pasdata.com.

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

Host names with ten IP numbers:

nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:a00e:60bf:4fb5:f5b, 2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61, 3.89.209.21, 13.220.56.184, 44.220.149.224, 54.88.138.42 and 98.81.135.11.

nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:6371:849e:3916:7db3, 2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758, 2600:1f18:683a:ae1a:e842:8110:107c:b494, 2600:1f18:683a:ae1b:264e:d08b:fb10:3898, 2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7, 3.85.217.230, 13.221.125.168, 18.209.34.29, 54.242.15.135 and 98.93.89.251.

Host names with six IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:f77:89a0:bb92:5271, 2600:1f18:683a:ae1a:5f14:22b0:b9c3:970f, 2600:1f18:683a:ae1b:a510:c365:d06a:e73a, 3.94.169.176, 52.91.47.137 and 54.242.11.84.

ctc21.com - robtex.com

ctc21.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`ctc21.com`

`com`