21234.us - robtex.com

21234.us

DNSSEC⚠️ Not signed
A100.63.23.141🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix
PTRec2-100-63-23-141.compute-1.amazonaws.com
NSns1.parkco2.neustar.biz ⭐
A3.220.94.231🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-220-94-231.compute-1.amazonaws.com
NSns2.parkco2.neustar.biz
A3.227.227.44🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
PTRec2-3-227-227-44.compute-1.amazonaws.com
TXTv=spf1 -all
SOAns1.parkco2.neustar.bizhostmaster@neustar.biz 2026-03-06 #1

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1786561578

Same first word

21234.xyz
21234.com
21234.us

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DNS History

19 records (3 active, 16 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA100.63.23.141107.21.21.5152.1.72.10852.2.83.14752.20.144.18152.201.96.2352.3.156.7552.3.92.1352.7.114.5152.7.171.20952.71.140.8054.165.201.4154.210.234.19398.94.214.30CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-08-03 → 2026-08-12 · 2 obs
● 2026-08-03 07:54:28
● 2026-08-12 19:33:26
●NSns2.parkco2.neustar.biz2026-08-03 → 2026-08-12 · 2 obs
● 2026-08-03 07:54:28
● 2026-08-12 19:33:26
●A100.63.23.1412026-08-12 → 2026-08-12 · 2 obs
○ 2026-08-03 07:54:28
● 2026-08-12 19:33:26
○A107.21.21.512016-01-16 → 2016-01-16 · 4 obs
○ 2015-10-29 20:25:14
● 2016-01-16 15:31:28
○ 2016-04-24 21:15:52
○ 2026-08-12 19:33:26
○A52.1.72.1082016-04-24 → 2016-04-24 · 4 obs
○ 2016-01-16 15:31:28
● 2016-04-24 21:15:52
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○A52.2.83.1472015-10-29 → 2015-10-29 · 4 obs
○ 2015-06-17 18:30:02
● 2015-10-29 20:25:14
○ 2016-01-16 15:31:28
○ 2026-08-12 19:33:26
○A52.20.144.1812015-10-29 → 2015-10-29 · 4 obs
○ 2015-06-17 18:30:02
● 2015-10-29 20:25:14
○ 2016-01-16 15:31:28
○ 2026-08-12 19:33:26
○A52.201.96.232016-04-24 → 2016-04-24 · 4 obs
○ 2016-01-16 15:31:28
● 2016-04-24 21:15:52
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○A52.3.156.752015-10-29 → 2015-10-29 · 4 obs
○ 2015-06-17 18:30:02
● 2015-10-29 20:25:14
○ 2016-01-16 15:31:28
○ 2026-08-12 19:33:26
○A52.3.92.132016-04-24 → 2016-04-24 · 4 obs
○ 2016-01-16 15:31:28
● 2016-04-24 21:15:52
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○A52.7.114.512015-06-17 → 2015-06-17 · 3 obs
● 2015-06-17 18:30:02
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○A52.7.171.2092015-06-17 → 2015-06-17 · 3 obs
● 2015-06-17 18:30:02
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○A52.71.140.802016-01-16 → 2016-01-16 · 4 obs
○ 2015-10-29 20:25:14
● 2016-01-16 15:31:28
○ 2016-04-24 21:15:52
○ 2026-08-12 19:33:26
○A54.165.201.412016-01-16 → 2016-01-16 · 4 obs
○ 2015-10-29 20:25:14
● 2016-01-16 15:31:28
○ 2016-04-24 21:15:52
○ 2026-08-12 19:33:26
○A54.210.234.1932015-06-17 → 2015-06-17 · 3 obs
● 2015-06-17 18:30:02
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○A98.94.214.302026-08-03 → 2026-08-03 · 3 obs
○ 2017-12-03 02:16:50
● 2026-08-03 07:54:28
○ 2026-08-12 19:33:26
○CNAMEpr-zipcodes-us.neuweb.biz2015-10-29 → 2016-04-24 · 5 obs
○ 2015-06-17 18:30:02
● 2015-10-29 20:25:14
● 2016-04-24 21:15:52
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-10-29 → 2016-04-24 · 5 obs
○ 2015-06-17 18:30:02
● 2015-10-29 20:25:14
● 2016-04-24 21:15:52
○ 2017-12-03 02:16:50
○ 2026-08-12 19:33:26
○CNAMEzip-lb.neuweb.biz2015-06-17 → 2017-12-03 · 4 obs
● 2015-06-17 18:30:02
● 2017-12-03 02:16:50
○ 2026-08-03 07:54:28
○ 2026-08-12 19:33:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
21234.usns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz-

✅ Authoritative Response

Server:3.227.227.44

NS records: ns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21234.us (unsigned zone)

⏱️ Timing

Total: 553ms | Queries: -

📄 Records

TypeCountSample Data
A1100.63.23.141
NS2ns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

21234.us resolves to just one IP address, 100.63.23.141.

Two other host names, along with 83880.us, 66765.us and 68342.us, also share IP numbers with 21234.us.

Name Servers

21234.us is delegated to two name servers: ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

21234.us shares its NS records with other domains, for example 11089.us, 78518.us, 50030.us and two others.

21234.us shares at least some of its name servers with other domains, such as www.21420.us.

ns1.parkco2.neustar.biz → 3.220.94.231 and ns2.parkco2.neustar.biz → 3.227.227.44: one IP number per host name.