81931.us - robtex.com

81931.us

DNSSEC⚠️ Not signed
A3.214.136.45🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-214-136-45.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=1785322727

Same first word

81931.us

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DNS History

17 records (3 active, 14 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA3.214.136.4532.193.253.4144.222.57.2352.200.239.11852.22.137.25552.4.106.2552.7.114.5152.7.171.20952.72.101.17352.86.21.18854.175.227.5754.210.234.193CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-06-11 → 2026-07-29 · 2 obs
● 2026-06-11 05:02:44
● 2026-07-29 11:12:50
●NSns2.parkco2.neustar.biz2026-06-11 → 2026-07-29 · 2 obs
● 2026-06-11 05:02:44
● 2026-07-29 11:12:50
●A3.214.136.452026-07-29 → 2026-07-29 · 2 obs
○ 2026-06-12 16:52:16
● 2026-07-29 11:12:50
○A32.193.253.412026-06-11 → 2026-06-11 · 4 obs
○ 2019-04-03 16:55:06
● 2026-06-11 05:02:44
○ 2026-06-12 16:52:16
○ 2026-07-29 11:12:50
○A44.222.57.232026-06-12 → 2026-06-12 · 3 obs
○ 2026-06-11 05:02:44
● 2026-06-12 16:52:16
○ 2026-07-29 11:12:50
○A52.200.239.1182017-02-10 → 2017-02-10 · 4 obs
○ 2016-03-18 01:01:20
● 2017-02-10 02:56:38
○ 2026-06-11 05:02:44
○ 2026-07-29 11:12:50
○A52.22.137.2552015-12-11 → 2015-12-11 · 4 obs
○ 2015-08-20 06:07:36
● 2015-12-11 21:58:50
○ 2016-03-18 01:01:20
○ 2026-07-29 11:12:50
○A52.4.106.252017-02-10 → 2017-02-10 · 4 obs
○ 2016-03-18 01:01:20
● 2017-02-10 02:56:38
○ 2026-06-11 05:02:44
○ 2026-07-29 11:12:50
○A52.7.114.512015-08-20 → 2015-08-20 · 3 obs
● 2015-08-20 06:07:36
○ 2017-02-10 02:56:38
○ 2026-07-29 11:12:50
○A52.7.171.2092015-08-20 → 2015-08-20 · 3 obs
● 2015-08-20 06:07:36
○ 2017-02-10 02:56:38
○ 2026-07-29 11:12:50
○A52.72.101.1732017-02-10 → 2017-02-10 · 4 obs
○ 2016-03-18 01:01:20
● 2017-02-10 02:56:38
○ 2026-06-11 05:02:44
○ 2026-07-29 11:12:50
○A52.86.21.1882016-03-18 → 2016-03-18 · 4 obs
○ 2015-12-11 21:58:50
● 2016-03-18 01:01:20
○ 2019-04-03 16:55:06
○ 2026-07-29 11:12:50
○A54.175.227.572015-12-11 → 2015-12-11 · 4 obs
○ 2015-08-20 06:07:36
● 2015-12-11 21:58:50
○ 2016-03-18 01:01:20
○ 2026-07-29 11:12:50
○A54.210.234.1932015-08-20 → 2015-08-20 · 3 obs
● 2015-08-20 06:07:36
○ 2017-02-10 02:56:38
○ 2026-07-29 11:12:50
○CNAMEpr-zipcodes-us.neuweb.biz2015-12-11 → 2017-02-10 · 5 obs
○ 2015-08-20 06:07:36
● 2015-12-11 21:58:50
● 2017-02-10 02:56:38
○ 2019-04-03 16:55:06
○ 2026-07-29 11:12:50
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-12-11 → 2017-02-10 · 5 obs
○ 2015-08-20 06:07:36
● 2015-12-11 21:58:50
● 2017-02-10 02:56:38
○ 2019-04-03 16:55:06
○ 2026-07-29 11:12:50
○CNAMEzip-lb.neuweb.biz2015-08-20 → 2019-04-03 · 4 obs
● 2015-08-20 06:07:36
● 2019-04-03 16:55:06
○ 2026-06-11 05:02:44
○ 2026-07-29 11:12:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
81931.usns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz-

✅ Authoritative Response

Server:3.220.94.231

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 81931.us (unsigned zone)

⏱️ Timing

Total: 320ms | Queries: -

📄 Records

TypeCountSample Data
A13.214.136.45
NS2ns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

81931.us points to a single IP number: 3.214.136.45.

Additional host names — 34198.us, 60707.us, 92099.us and two others — share IP numbers with 81931.us.

Name Servers

81931.us uses two name servers for its delegation: ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

81931.us shares its name server setup with other domains, including 42525.us, 44315.us, 42634.us and two others.

ns1.parkco2.neustar.biz directs to 3.220.94.231 and ns2.parkco2.neustar.biz directs to 3.227.227.44; each host name points to exactly one IP number.