three21.com - dns.ninja

`three21.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:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.88.240.25^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-88-240-25.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cc5d:cd19:dd5:828e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3ee4:3218:624e:fbef^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	18.232.139.44^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-232-139-44.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-21 #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=1782053600

Subdomains

mail.three21.com

Same first word

three21.com

three21.net

Similar names

three12.com

21three.com

three12.myshopify.com

12three.com.au

12three.com

ether21.com

DNS History

23 records (7 active, 16 former)

●NSns1.namebrightdns.com2026-05-06 → 2026-06-21 · 3 obs

○ 2018-07-01 03:39:12
● 2026-05-06 01:27:12
● 2026-06-21 15:04:24

○NSns73.domaincontrol.com2016-01-18 → 2018-07-01 · 5 obs

○ 2009-01-16 06:03:34
● 2016-01-18 00:40:50
● 2018-07-01 03:39:12
○ 2026-05-06 01:27:12
○ 2026-06-21 15:04:24

○NSns74.domaincontrol.com2016-01-18 → 2018-07-01 · 5 obs

○ 2009-01-16 06:03:34
● 2016-01-18 00:40:50
● 2018-07-01 03:39:12
○ 2026-05-06 01:27:12
○ 2026-06-21 15:04:24

●NSnsg1.namebrightdns.com2026-05-06 → 2026-06-21 · 3 obs

○ 2018-07-01 03:39:12
● 2026-05-06 01:27:12
● 2026-06-21 15:04:24

●NSnsg2.namebrightdns.com2026-05-06 → 2026-06-21 · 3 obs

○ 2018-07-01 03:39:12
● 2026-05-06 01:27:12
● 2026-06-21 15:04:24

○NSserver1-ns1.udagdns.net2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 06:03:34
○ 2016-01-18 00:40:50
○ 2026-06-21 15:04:24

○NSserver1-ns2.udagdns.net2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 06:03:34
○ 2016-01-18 00:40:50
○ 2026-06-21 15:04:24

○NSserver1-ns3.udagdns.net2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 06:03:34
○ 2016-01-18 00:40:50
○ 2026-06-21 15:04:24

○MXalt1.aspmx.l.google.com2017-01-18 → 2018-07-01 · 5 obs

○ 2016-04-10 18:06:32
● 2017-01-18 05:57:42
● 2018-07-01 03:39:12
○ 2026-05-06 01:27:12
○ 2026-06-21 15:04:24

○MXalt2.aspmx.l.google.com2017-01-18 → 2018-07-01 · 5 obs

○ 2016-04-10 18:06:32
● 2017-01-18 05:57:42
● 2018-07-01 03:39:12
○ 2026-05-06 01:27:12
○ 2026-06-21 15:04:24

○MXalt3.aspmx.l.google.com2017-01-18 → 2018-07-01 · 5 obs

○ 2016-04-10 18:06:32
● 2017-01-18 05:57:42
● 2018-07-01 03:39:12
○ 2026-05-06 01:27:12
○ 2026-06-21 15:04:24

○MXaspmx.l.google.com2017-01-18 → 2018-07-01 · 5 obs

○ 2016-04-10 18:06:32
● 2017-01-18 05:57:42
● 2018-07-01 03:39:12
○ 2026-05-06 01:27:12
○ 2026-06-21 15:04:24

○MXmail.three21.com2009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 06:03:34
○ 2016-01-18 00:40:50
○ 2026-06-21 15:04:24

○MXmailstore1.secureserver.net2016-01-18 → 2016-04-10 · 5 obs

○ 2009-01-16 06:03:34
● 2016-01-18 00:40:50
● 2016-04-10 18:06:32
○ 2017-01-18 05:57:42
○ 2026-06-21 15:04:24

○MXsmtp.secureserver.net2016-01-18 → 2016-04-10 · 5 obs

○ 2009-01-16 06:03:34
● 2016-01-18 00:40:50
● 2016-04-10 18:06:32
○ 2017-01-18 05:57:42
○ 2026-06-21 15:04:24

●A13.223.25.842026-05-06 → 2026-06-21 · 3 obs

○ 2018-07-01 03:39:12
● 2026-05-06 01:27:12
● 2026-06-21 15:04:24

○A184.168.131.2412018-07-01 → 2018-07-01 · 4 obs

○ 2017-01-18 05:57:42
● 2018-07-01 03:39:12
○ 2026-05-06 01:27:12
○ 2026-06-21 15:04:24

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-05-06 → 2026-06-21 · 3 obs

○ 2018-07-01 03:39:12
● 2026-05-06 01:27:12
● 2026-06-21 15:04:24

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-05-06 → 2026-06-21 · 3 obs

○ 2018-07-01 03:39:12
● 2026-05-06 01:27:12
● 2026-06-21 15:04:24

○A45.56.110.2502017-01-18 → 2017-01-18 · 4 obs

○ 2016-04-10 18:06:32
● 2017-01-18 05:57:42
○ 2018-07-01 03:39:12
○ 2026-06-21 15:04:24

○A50.63.202.522016-01-18 → 2016-04-10 · 5 obs

○ 2009-01-16 06:03:34
● 2016-01-18 00:40:50
● 2016-04-10 18:06:32
○ 2017-01-18 05:57:42
○ 2026-06-21 15:04:24

●A54.243.117.1972026-05-06 → 2026-06-21 · 3 obs

○ 2018-07-01 03:39:12
● 2026-05-06 01:27:12
● 2026-06-21 15:04:24

○A88.198.10.2402009-01-16 → 2009-01-16 · 3 obs

● 2009-01-16 06:03:34
○ 2016-01-18 00:40:50
○ 2026-06-21 15:04:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
three21.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:18.232.139.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for three21.com (unsigned zone)

⏱️ Timing

Total: 158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
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	`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

three21.com serves as the parent of mail.three21.com.

IP Addresses

three21.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.

Two other host names, along with maestronation.com, tastytube.com and timenspace.com, also share IP numbers with three21.com.

Name Servers

three21.com carries NS records delegating to ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

three21.com has at least partial name server overlap with other domains, such as ns1.sonoraindustrial.com, mail.coastncountry.com, heartbling.com and two others.

These name servers tend to appear together with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

DNS names with 6 IP addresses:

nsg1.namebrightdns.com resolves to 3.88.240.25, 52.55.198.41 and 54.175.130.15 among others, with 3 other IP addresses in total.

nsg2.namebrightdns.com resolves to 3.80.109.14, 18.232.139.44 and 98.81.3.34 among others, with 3 other IP addresses in total.

Host names directing to five IP addresses:

ns1.namebrightdns.com has four IP addresses — 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two others.