21428.us - robtex.com

21428.us

DNSSEC⚠️ Not signed
NSns1.parkco2.neustar.biz ⚠️ Not in zone NS records
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 ⚠️ Not in zone NS records
A3.227.227.44🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
PTRec2-3-227-227-44.compute-1.amazonaws.com

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=1776969867

Same first word

21428.us

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DNS History

17 records (2 active, 15 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA52.203.23.8252.5.0.22752.7.114.5152.7.149.7452.7.171.20952.86.117.15252.86.84.3552.87.92.6954.164.211.5154.175.62.19454.210.234.19354.236.94.195CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-04-23 → 2026-04-23 · 2 obs
● 2026-04-23 15:22:10
● 2026-04-23 19:14:54
●NSns2.parkco2.neustar.biz2026-04-23 → 2026-04-23 · 2 obs
● 2026-04-23 15:22:10
● 2026-04-23 19:14:54
○A52.203.23.822026-04-23 → 2026-04-23 · 4 obs
○ 2016-07-10 00:58:02
● 2026-04-23 15:22:10
○ 2026-04-23 17:43:00
○ 2026-04-23 19:14:54
○A52.5.0.2272015-12-03 → 2015-12-03 · 4 obs
○ 2015-08-11 03:11:12
● 2015-12-03 15:01:02
○ 2016-03-12 05:36:46
○ 2026-04-23 19:14:54
○A52.7.114.512015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 03:11:12
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○A52.7.149.742016-07-10 → 2016-07-10 · 4 obs
○ 2016-03-12 05:36:46
● 2016-07-10 00:58:02
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○A52.7.171.2092015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 03:11:12
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○A52.86.117.1522016-03-12 → 2016-03-12 · 4 obs
○ 2015-12-03 15:01:02
● 2016-03-12 05:36:46
○ 2016-07-10 00:58:02
○ 2026-04-23 19:14:54
○A52.86.84.352016-03-12 → 2016-03-12 · 4 obs
○ 2015-12-03 15:01:02
● 2016-03-12 05:36:46
○ 2016-07-10 00:58:02
○ 2026-04-23 19:14:54
○A52.87.92.692016-03-12 → 2016-03-12 · 4 obs
○ 2015-12-03 15:01:02
● 2016-03-12 05:36:46
○ 2016-07-10 00:58:02
○ 2026-04-23 19:14:54
○A54.164.211.512016-07-10 → 2016-07-10 · 4 obs
○ 2016-03-12 05:36:46
● 2016-07-10 00:58:02
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○A54.175.62.1942015-12-03 → 2015-12-03 · 4 obs
○ 2015-08-11 03:11:12
● 2015-12-03 15:01:02
○ 2016-03-12 05:36:46
○ 2026-04-23 19:14:54
○A54.210.234.1932015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 03:11:12
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○A54.236.94.1952016-07-10 → 2016-07-10 · 4 obs
○ 2016-03-12 05:36:46
● 2016-07-10 00:58:02
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○CNAMEpr-zipcodes-us.neuweb.biz2015-12-03 → 2016-07-10 · 5 obs
○ 2015-08-11 03:11:12
● 2015-12-03 15:01:02
● 2016-07-10 00:58:02
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-12-03 → 2016-07-10 · 5 obs
○ 2015-08-11 03:11:12
● 2015-12-03 15:01:02
● 2016-07-10 00:58:02
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54
○CNAMEzip-lb.neuweb.biz2015-08-11 → 2016-07-10 · 4 obs
● 2015-08-11 03:11:12
● 2016-07-10 00:58:02
○ 2026-04-23 15:22:10
○ 2026-04-23 19:14:54

🔍 DNS Trace

Analysis

Name Servers

21428.us is delegated to two name servers: ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

21428.us uses the same name server setup as other domains, including 59400.us, 69691.us, 01136.us, 02181.us and 25034.us.

Hostnames with a single IP

ns1.parkco2.neustar.biz resolves to: 3.220.94.231.

ns2.parkco2.neustar.biz resolves to: 3.227.227.44.