81421.us - robtex.com

81421.us

DNSSEC⚠️ Not signed
A18.213.233.234🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-213-233-234.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=1776055214

Same first word

81421.us

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DNS History

21 records (3 active, 18 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA18.213.233.234100.31.172.138107.21.57.1834.192.69.17852.3.85.4452.7.114.5152.7.149.7452.7.171.20954.152.111.5354.164.211.5154.164.44.8454.172.53.5954.210.234.19354.236.94.19554.85.79.3454.89.39.158CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 14:57:18
● 2026-04-13 05:01:46
●NSns2.parkco2.neustar.biz2026-04-10 → 2026-04-13 · 2 obs
● 2026-04-10 14:57:18
● 2026-04-13 05:01:46
○A100.31.172.1382026-04-10 → 2026-04-10 · 4 obs
○ 2018-11-28 15:14:20
● 2026-04-10 14:57:18
○ 2026-04-10 22:19:20
○ 2026-04-13 05:01:46
○A107.21.57.182016-03-01 → 2016-03-01 · 4 obs
○ 2015-11-27 18:08:08
● 2016-03-01 14:04:02
○ 2016-06-28 03:51:26
○ 2026-04-13 05:01:46
●A18.213.233.2342026-04-10 → 2026-04-13 · 3 obs
○ 2026-04-10 14:57:18
● 2026-04-10 22:19:20
● 2026-04-13 05:01:46
○A34.192.69.1782017-02-06 → 2017-02-06 · 4 obs
○ 2016-06-28 03:51:26
● 2017-02-06 00:08:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○A52.3.85.442015-11-27 → 2015-11-27 · 4 obs
○ 2015-07-25 17:09:26
● 2015-11-27 18:08:08
○ 2016-03-01 14:04:02
○ 2026-04-13 05:01:46
○A52.7.114.512015-07-25 → 2015-07-25 · 3 obs
● 2015-07-25 17:09:26
○ 2017-02-06 00:08:26
○ 2026-04-13 05:01:46
○A52.7.149.742016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-01 14:04:02
● 2016-06-28 03:51:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○A52.7.171.2092015-07-25 → 2015-07-25 · 3 obs
● 2015-07-25 17:09:26
○ 2017-02-06 00:08:26
○ 2026-04-13 05:01:46
○A54.152.111.532016-03-01 → 2016-03-01 · 4 obs
○ 2015-11-27 18:08:08
● 2016-03-01 14:04:02
○ 2016-06-28 03:51:26
○ 2026-04-13 05:01:46
○A54.164.211.512016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-01 14:04:02
● 2016-06-28 03:51:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○A54.164.44.842015-11-27 → 2015-11-27 · 4 obs
○ 2015-07-25 17:09:26
● 2015-11-27 18:08:08
○ 2016-03-01 14:04:02
○ 2026-04-13 05:01:46
○A54.172.53.592017-02-06 → 2017-02-06 · 4 obs
○ 2016-06-28 03:51:26
● 2017-02-06 00:08:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○A54.210.234.1932015-07-25 → 2015-07-25 · 3 obs
● 2015-07-25 17:09:26
○ 2017-02-06 00:08:26
○ 2026-04-13 05:01:46
○A54.236.94.1952016-06-28 → 2016-06-28 · 4 obs
○ 2016-03-01 14:04:02
● 2016-06-28 03:51:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○A54.85.79.342016-03-01 → 2016-03-01 · 4 obs
○ 2015-11-27 18:08:08
● 2016-03-01 14:04:02
○ 2016-06-28 03:51:26
○ 2026-04-13 05:01:46
○A54.89.39.1582017-02-06 → 2017-02-06 · 4 obs
○ 2016-06-28 03:51:26
● 2017-02-06 00:08:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○CNAMEpr-zipcodes-us.neuweb.biz2015-11-27 → 2017-02-06 · 5 obs
○ 2015-07-25 17:09:26
● 2015-11-27 18:08:08
● 2017-02-06 00:08:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-11-27 → 2017-02-06 · 5 obs
○ 2015-07-25 17:09:26
● 2015-11-27 18:08:08
● 2017-02-06 00:08:26
○ 2018-11-28 15:14:20
○ 2026-04-13 05:01:46
○CNAMEzip-lb.neuweb.biz2015-07-25 → 2018-11-28 · 4 obs
● 2015-07-25 17:09:26
● 2018-11-28 15:14:20
○ 2026-04-10 14:57:18
○ 2026-04-13 05:01:46

🔍 DNS Trace

Analysis

IP Addresses

81421.us points to a single IP: 18.213.233.234.

Other host names, for instance 19440.us, 51100.us, 96279.us, 01030.us and 72549.us share IP numbers with 81421.us.

Name Servers

Two name servers ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz handle delegation for 81421.us.

81421.us uses the same name server setup as other domains, for example 05700.us, 88604.us, 09219.us, 77825.us and 39979.us.

81421.us shares name servers with other domains at least in part, for instance www.10100.us.

Host names with one IP number: The host name ns1.parkco2.neustar.biz points to 3.220.94.231 and the host name ns2.parkco2.neustar.biz points to 3.227.227.44.