21331.us - robtex.com

21331.us

DNSSEC⚠️ Not signed
A34.198.10.7🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-198-10-7.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=1785190264

Same first word

Similar names

DNS History

20 records (3 active, 17 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA34.198.10.7100.57.182.10252.206.212.4152.206.43.2652.207.113.7852.5.55.9752.7.114.5152.7.149.7652.7.171.20952.86.21.18854.165.136.19054.173.230.7654.210.234.19354.80.242.224CNAMEpr-www-zipcode-us.expedrion.bizpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
NSns1.parkco2.neustar.biz2026-07-02 → 2026-07-27 · 2 obs
● 2026-07-02 05:44:06
● 2026-07-27 22:21:48
NSns2.parkco2.neustar.biz2026-07-02 → 2026-07-27 · 2 obs
● 2026-07-02 05:44:06
● 2026-07-27 22:21:48
A100.57.182.1022026-07-17 → 2026-07-17 · 3 obs
○ 2026-07-02 05:44:06
● 2026-07-17 08:50:02
○ 2026-07-27 22:21:48
A34.198.10.72026-07-27 → 2026-07-27 · 2 obs
○ 2026-07-17 08:50:02
● 2026-07-27 22:21:48
A52.206.212.412016-08-09 → 2016-08-09 · 4 obs
○ 2016-03-24 02:27:48
● 2016-08-09 07:18:00
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
A52.206.43.262016-08-09 → 2016-08-09 · 4 obs
○ 2016-03-24 02:27:48
● 2016-08-09 07:18:00
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
A52.207.113.782016-08-09 → 2016-08-09 · 4 obs
○ 2016-03-24 02:27:48
● 2016-08-09 07:18:00
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
A52.5.55.972016-03-24 → 2016-03-24 · 4 obs
○ 2015-12-06 14:59:18
● 2016-03-24 02:27:48
○ 2016-08-09 07:18:00
○ 2026-07-27 22:21:48
A52.7.114.512015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 13:48:12
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
A52.7.149.762015-12-06 → 2015-12-06 · 4 obs
○ 2015-08-11 13:48:12
● 2015-12-06 14:59:18
○ 2016-03-24 02:27:48
○ 2026-07-27 22:21:48
A52.7.171.2092015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 13:48:12
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
A52.86.21.1882016-03-24 → 2016-03-24 · 4 obs
○ 2015-12-06 14:59:18
● 2016-03-24 02:27:48
○ 2016-08-09 07:18:00
○ 2026-07-27 22:21:48
A54.165.136.1902016-03-24 → 2016-03-24 · 4 obs
○ 2015-12-06 14:59:18
● 2016-03-24 02:27:48
○ 2016-08-09 07:18:00
○ 2026-07-27 22:21:48
A54.173.230.762015-12-06 → 2015-12-06 · 4 obs
○ 2015-08-11 13:48:12
● 2015-12-06 14:59:18
○ 2016-03-24 02:27:48
○ 2026-07-27 22:21:48
A54.210.234.1932015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 13:48:12
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
A54.80.242.2242026-07-02 → 2026-07-02 · 4 obs
○ 2016-08-09 07:18:00
● 2026-07-02 05:44:06
○ 2026-07-17 08:50:02
○ 2026-07-27 22:21:48
CNAMEpr-www-zipcode-us.expedrion.biz2026-07-02 → 2026-07-27 · 2 obs
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
CNAMEpr-zipcodes-us.neuweb.biz2015-12-06 → 2016-08-09 · 5 obs
○ 2015-08-11 13:48:12
● 2015-12-06 14:59:18
● 2016-08-09 07:18:00
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-12-06 → 2016-08-09 · 5 obs
○ 2015-08-11 13:48:12
● 2015-12-06 14:59:18
● 2016-08-09 07:18:00
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48
CNAMEzip-lb.neuweb.biz2015-08-11 → 2016-08-09 · 4 obs
● 2015-08-11 13:48:12
● 2016-08-09 07:18:00
○ 2026-07-02 05:44:06
○ 2026-07-27 22:21:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
21331.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 21331.us (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

TypeCountSample Data
A134.198.10.7
NS2ns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

21331.us has exactly one IP address — 34.198.10.7.

46754.us, 00382.us, 64830.us plus two other host names have IP numbers in common with 21331.us.

Name Servers

21331.us has two authoritative name servers — ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

The name server configuration of 21331.us is shared with other domains, for instance 26440.us, 87400.us, 86745.us and two others.

The name servers for 21331.us overlap at least partially with those of other domains — for example www.14140.us.

ns1.parkco2.neustar.biz3.220.94.231 and ns2.parkco2.neustar.biz3.227.227.44: one IP number per host name.