21first.com - robtex.com

21first.com

DNSSEC⚠️ Not signed
A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:4ae:c606:78d4:4260:db4e:aeee🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A13.223.25.84🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
A54.243.117.197🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSns1.namebrightdns.com ⭐
A2600:1f18:683a:ae1a:f77:89a0:bb92:5271🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:5f14:22b0:b9c3:970f🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:a510:c365:d06a:e73a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.94.169.176🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-94-169-176.compute-1.amazonaws.com
A52.91.47.137🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix
PTRec2-52-91-47-137.compute-1.amazonaws.com
NSnsg1.namebrightdns.com
A2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:9806:d504:f0e4:26c🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:a00e:60bf:4fb5:f5b🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.89.50.98🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-89-50-98.compute-1.amazonaws.com
A3.89.209.21🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-89-209-21.compute-1.amazonaws.com
A44.220.149.224🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-220-149-224.compute-1.amazonaws.com
A54.88.138.42🇺🇸 Amazon54.88.0.0/16 EC2 IAD VPC prefix
PTRec2-54-88-138-42.compute-1.amazonaws.com
A98.81.135.11🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
PTRec2-98-81-135-11.compute-1.amazonaws.com
NSnsg2.namebrightdns.com
A2600:1f18:683a:ae1a:52e5:35f4:e7f4:e1e5🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1a:e842:8110:107c:b494🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:d9:7fc3:8577:c7f5🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix
A3.85.217.230🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix
PTRec2-3-85-217-230.compute-1.amazonaws.com
A13.221.125.168🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
PTRec2-13-221-125-168.compute-1.amazonaws.com
A18.209.34.29🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-209-34-29.compute-1.amazonaws.com
A98.84.171.166🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
PTRec2-98-84-171-166.compute-1.amazonaws.com
A98.93.89.251🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix
PTRec2-98-93-89-251.compute-1.amazonaws.com
TXTv=spf1 -all
TXTafternic-verification-G9G3tM8T8EwEizzPzjGJWF
SOAns1.namebrightdns.comdns@namebright.com 2026-03-26 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774526022

Same first word

21first.com

Similar names

first12.org
12first.com
first12.com
first21.com

DNS History

22 records (7 active, 15 former)

20162017201820192020202120222023202420252026NSns1.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comns1.above.comns1.parkingcrew.netns2.above.comns2.parkingcrew.netMXmail.h-email.netmail.post-host.netmx92.m1bp.commx92.mb5p.compark-mx.above.comA13.223.25.842600:1f18:4ae:c605:dd5d:b838:5816:d7fb2600:1f18:4ae:c606:78d4:4260:db4e:aeee54.243.117.197103.224.182.241103.224.212.222185.53.178.12185.53.178.8185.53.178.952.18.157.175
○NSns1.above.com2016-09-09 → 2019-02-09 · 5 obs
○ 2016-08-10 22:47:00
● 2016-09-09 16:51:54
● 2019-02-09 22:29:26
○ 2026-02-14 18:31:04
○ 2026-03-26 12:03:32
●NSns1.namebrightdns.com2026-02-14 → 2026-03-26 · 3 obs
○ 2019-02-09 22:29:26
● 2026-02-14 18:31:04
● 2026-03-26 12:03:32
○NSns1.parkingcrew.net2015-09-01 → 2016-08-10 · 4 obs
● 2015-09-01 01:00:46
● 2016-08-10 22:47:00
○ 2016-09-09 16:51:54
○ 2026-03-26 12:03:32
○NSns2.above.com2016-09-09 → 2019-02-09 · 5 obs
○ 2016-08-10 22:47:00
● 2016-09-09 16:51:54
● 2019-02-09 22:29:26
○ 2026-02-14 18:31:04
○ 2026-03-26 12:03:32
○NSns2.parkingcrew.net2015-09-01 → 2016-08-10 · 4 obs
● 2015-09-01 01:00:46
● 2016-08-10 22:47:00
○ 2016-09-09 16:51:54
○ 2026-03-26 12:03:32
●NSnsg1.namebrightdns.com2026-02-14 → 2026-03-26 · 3 obs
○ 2019-02-09 22:29:26
● 2026-02-14 18:31:04
● 2026-03-26 12:03:32
●NSnsg2.namebrightdns.com2026-02-14 → 2026-03-26 · 3 obs
○ 2019-02-09 22:29:26
● 2026-02-14 18:31:04
● 2026-03-26 12:03:32
○MXmail.h-email.net2015-09-01 → 2016-08-10 · 4 obs
● 2015-09-01 01:00:46
● 2016-08-10 22:47:00
○ 2016-09-09 16:51:54
○ 2026-03-26 12:03:32
○MXmail.post-host.net2016-09-09 → 2016-10-02 · 5 obs
○ 2016-08-10 22:47:00
● 2016-09-09 16:51:54
● 2016-10-02 18:54:46
○ 2016-10-16 11:49:26
○ 2026-03-26 12:03:32
○MXmx92.m1bp.com2017-04-29 → 2017-08-29 · 5 obs
○ 2016-10-16 11:49:26
● 2017-04-29 19:36:24
● 2017-08-29 01:37:40
○ 2019-02-09 22:29:26
○ 2026-03-26 12:03:32
○MXmx92.mb5p.com2017-04-29 → 2017-08-29 · 5 obs
○ 2016-10-16 11:49:26
● 2017-04-29 19:36:24
● 2017-08-29 01:37:40
○ 2019-02-09 22:29:26
○ 2026-03-26 12:03:32
○MXpark-mx.above.com2019-02-09 → 2026-02-15 · 5 obs
○ 2017-08-29 01:37:40
● 2019-02-09 22:29:26
● 2026-02-15 20:32:06
○ 2026-02-17 16:51:26
○ 2026-03-26 12:03:32
○A103.224.182.2412016-09-09 → 2017-08-29 · 5 obs
○ 2016-08-10 22:47:00
● 2016-09-09 16:51:54
● 2017-08-29 01:37:40
○ 2019-02-09 22:29:26
○ 2026-03-26 12:03:32
○A103.224.212.2222019-02-09 → 2019-02-09 · 4 obs
○ 2017-08-29 01:37:40
● 2019-02-09 22:29:26
○ 2026-02-14 18:31:04
○ 2026-03-26 12:03:32
●A13.223.25.842026-02-14 → 2026-03-26 · 3 obs
○ 2019-02-09 22:29:26
● 2026-02-14 18:31:04
● 2026-03-26 12:03:32
○A185.53.178.122016-07-11 → 2016-07-11 · 4 obs
○ 2016-07-03 09:56:06
● 2016-07-11 10:25:50
○ 2016-07-23 14:45:08
○ 2026-03-26 12:03:32
○A185.53.178.82015-09-01 → 2016-08-10 · 11 obs
● 2015-09-01 01:00:46
● 2015-12-20 04:40:20
○ 2016-01-02 15:29:38
○ 2016-05-25 06:47:24
● 2016-06-18 21:09:28
● 2016-07-03 09:56:06
○ 2016-07-11 10:25:50
● 2016-07-23 14:45:08
● 2016-08-10 22:47:00
○ 2016-09-09 16:51:54
○ 2026-03-26 12:03:32
○A185.53.178.92016-01-02 → 2016-01-21 · 5 obs
○ 2015-12-20 04:40:20
● 2016-01-02 15:29:38
● 2016-01-21 20:13:04
○ 2016-05-18 01:13:24
○ 2026-03-26 12:03:32
●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-14 → 2026-03-26 · 3 obs
○ 2019-02-09 22:29:26
● 2026-02-14 18:31:04
● 2026-03-26 12:03:32
●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-14 → 2026-03-26 · 3 obs
○ 2019-02-09 22:29:26
● 2026-02-14 18:31:04
● 2026-03-26 12:03:32
○A52.18.157.1752016-05-18 → 2016-05-25 · 5 obs
○ 2016-01-21 20:13:04
● 2016-05-18 01:13:24
● 2016-05-25 06:47:24
○ 2016-06-18 21:09:28
○ 2026-03-26 12:03:32
●A54.243.117.1972026-02-14 → 2026-03-26 · 3 obs
○ 2019-02-09 22:29:26
● 2026-02-14 18:31:04
● 2026-03-26 12:03:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
21first.comnsg1.namebrightdns.com, nsg2.namebrightdns.com20 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 21first.com (unsigned zone)

⏱️ Timing

Total: 267ms | Queries: -

📄 Records

TypeCountSample Data
A254.243.117.197, 13.223.25.84
AAAA22600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb
NS2nsg2.namebrightdns.com, nsg1.namebrightdns.com
TXT2v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj
SOA1ns1.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

21first.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.

For instance, other host names www.steelemeetings.com, missionukraine.com, marqueerg.com, mx.pdqflorists.com and sherbeny.com share IP numbers with 21first.com.

Name Servers

The delegation for 21first.com is handled by three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

21first.com shares name servers with other domains at least partially, for example w3web.com, inkocean.com, id-checker.com, joincoins.com and broker.residualincomeandhealth.124online.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:

Host name 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, 3.89.50.98, 3.89.209.21, 44.220.149.224, 54.88.138.42 and 98.81.135.11.

Host name nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:52e5:35f4:e7f4:e1e5, 2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758, 2600:1f18:683a:ae1a:e842:8110:107c:b494, 2600:1f18:683a:ae1b:d9:7fc3:8577:c7f5, 2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7, 3.85.217.230, 13.221.125.168, 18.209.34.29, 98.84.171.166 and 98.93.89.251.

Host names with five IP numbers:

Host name 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 and 52.91.47.137.