51729.us - robtex.com

51729.us

DNSSEC⚠️ Not signed
A100.25.25.124🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix
PTRec2-100-25-25-124.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=1777153381

Same first word

51729.us

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DNS History

19 records (3 active, 16 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA100.25.25.12452.1.135.25052.20.55.1952.203.23.8252.204.121.1252.21.0.5752.4.6.24852.4.6.8252.7.149.7454.152.5.5654.164.211.5154.175.45.20254.236.94.19554.88.39.119CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-04-09 → 2026-04-25 · 2 obs
● 2026-04-09 14:08:16
● 2026-04-25 22:17:34
●NSns2.parkco2.neustar.biz2026-04-09 → 2026-04-25 · 2 obs
● 2026-04-09 14:08:16
● 2026-04-25 22:17:34
●A100.25.25.1242026-04-25 → 2026-04-25 · 3 obs
○ 2026-04-24 14:45:36
● 2026-04-25 22:17:32
● 2026-04-25 22:17:34
○A52.1.135.2502015-11-14 → 2015-11-14 · 4 obs
○ 2015-07-12 09:11:24
● 2015-11-14 19:23:08
○ 2016-03-06 19:07:28
○ 2026-04-25 22:17:34
○A52.20.55.192015-11-14 → 2015-11-14 · 4 obs
○ 2015-07-12 09:11:24
● 2015-11-14 19:23:08
○ 2016-03-06 19:07:28
○ 2026-04-25 22:17:34
○A52.203.23.822026-04-24 → 2026-04-24 · 4 obs
○ 2026-04-13 06:58:56
● 2026-04-24 14:45:36
○ 2026-04-25 22:17:32
○ 2026-04-25 22:17:34
○A52.204.121.122026-04-13 → 2026-04-13 · 4 obs
○ 2026-04-09 14:08:16
● 2026-04-13 06:58:56
○ 2026-04-24 14:45:36
○ 2026-04-25 22:17:34
○A52.21.0.572015-11-14 → 2015-11-14 · 4 obs
○ 2015-07-12 09:11:24
● 2015-11-14 19:23:08
○ 2016-03-06 19:07:28
○ 2026-04-25 22:17:34
○A52.4.6.2482016-03-06 → 2016-03-06 · 4 obs
○ 2015-11-14 19:23:08
● 2016-03-06 19:07:28
○ 2016-06-21 21:44:00
○ 2026-04-25 22:17:34
○A52.4.6.822015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 09:11:24
○ 2026-04-09 14:08:16
○ 2026-04-25 22:17:34
○A52.7.149.742016-06-21 → 2016-06-21 · 4 obs
○ 2016-03-06 19:07:28
● 2016-06-21 21:44:00
○ 2020-03-20 16:21:32
○ 2026-04-25 22:17:34
○A54.152.5.562015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 09:11:24
○ 2026-04-09 14:08:16
○ 2026-04-25 22:17:34
○A54.164.211.512016-06-21 → 2016-06-21 · 4 obs
○ 2016-03-06 19:07:28
● 2016-06-21 21:44:00
○ 2020-03-20 16:21:32
○ 2026-04-25 22:17:34
○A54.175.45.2022015-07-12 → 2015-07-12 · 3 obs
● 2015-07-12 09:11:24
○ 2026-04-09 14:08:16
○ 2026-04-25 22:17:34
○A54.236.94.1952016-06-21 → 2016-06-21 · 4 obs
○ 2016-03-06 19:07:28
● 2016-06-21 21:44:00
○ 2020-03-20 16:21:32
○ 2026-04-25 22:17:34
○A54.88.39.1192016-03-06 → 2016-03-06 · 4 obs
○ 2015-11-14 19:23:08
● 2016-03-06 19:07:28
○ 2016-06-21 21:44:00
○ 2026-04-25 22:17:34
○CNAMEpr-zipcodes-us.neuweb.biz2015-11-14 → 2016-06-21 · 5 obs
○ 2015-07-12 09:11:24
● 2015-11-14 19:23:08
● 2016-06-21 21:44:00
○ 2020-03-20 16:21:32
○ 2026-04-25 22:17:34
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-11-14 → 2016-06-21 · 5 obs
○ 2015-07-12 09:11:24
● 2015-11-14 19:23:08
● 2016-06-21 21:44:00
○ 2020-03-20 16:21:32
○ 2026-04-25 22:17:34
○CNAMEzip-lb.neuweb.biz2015-07-12 → 2020-03-20 · 4 obs
● 2015-07-12 09:11:24
● 2020-03-20 16:21:32
○ 2026-04-09 14:08:16
○ 2026-04-25 22:17:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
51729.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 51729.us (unsigned zone)

⏱️ Timing

Total: 617ms | Queries: -

📄 Records

TypeCountSample Data
A1100.25.25.124
NS2ns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

51729.us points to an IP address: 100.25.25.124.

other host names include 43504.us, 04181.us, 52211.us, 28451.us and 63349.us; they share IP numbers with 51729.us.

Name Servers

Two name servers ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz handle the delegation for 51729.us.

51729.us shares the same name server setup as other domains, for instance 05069.us, 21619.us, 84012.us, 82649.us and 81302.us.

Host names with one IP:

ns1.parkco2.neustar.biz points to: 3.220.94.231

ns2.parkco2.neustar.biz points to: 3.227.227.44