21097.us - robtex.com

21097.us

DNSSEC⚠️ Not signed
A44.222.57.23🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-222-57-23.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=1781478817

Same first word

21097.com
21097.us

Similar names

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71902.us
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92710.com
19720.cn
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20179.com
70129.com
92701.us

DNS History

23 records (3 active, 20 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA44.222.57.233.212.149.18532.193.253.4134.192.69.17852.1.135.25052.20.55.1952.21.0.5752.7.114.5152.7.149.7452.7.171.20952.71.73.7254.152.198.7454.164.211.5154.172.53.5954.174.175.25154.210.234.19354.236.94.19554.89.39.158CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-06-11 → 2026-06-14 · 2 obs
● 2026-06-11 02:58:20
● 2026-06-14 23:35:20
●NSns2.parkco2.neustar.biz2026-06-11 → 2026-06-14 · 2 obs
● 2026-06-11 02:58:20
● 2026-06-14 23:35:20
○A3.212.149.1852026-06-13 → 2026-06-13 · 3 obs
○ 2026-06-12 14:49:30
● 2026-06-13 00:18:54
○ 2026-06-14 23:35:20
○A32.193.253.412026-06-11 → 2026-06-11 · 4 obs
○ 2017-02-05 21:15:56
● 2026-06-11 02:58:20
○ 2026-06-12 14:49:30
○ 2026-06-14 23:35:20
○A34.192.69.1782017-02-05 → 2017-02-05 · 4 obs
○ 2016-06-28 01:24:54
● 2017-02-05 21:15:56
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
●A44.222.57.232026-06-12 → 2026-06-14 · 4 obs
○ 2026-06-11 02:58:20
● 2026-06-12 14:49:30
○ 2026-06-13 00:18:54
● 2026-06-14 23:35:20
○A52.1.135.2502015-11-08 → 2015-11-08 · 4 obs
○ 2015-06-28 17:09:44
● 2015-11-08 21:23:58
○ 2016-02-01 12:47:14
○ 2026-06-14 23:35:20
○A52.20.55.192015-11-08 → 2015-11-08 · 4 obs
○ 2015-06-28 17:09:44
● 2015-11-08 21:23:58
○ 2016-02-01 12:47:14
○ 2026-06-14 23:35:20
○A52.21.0.572015-11-08 → 2015-11-08 · 4 obs
○ 2015-06-28 17:09:44
● 2015-11-08 21:23:58
○ 2016-02-01 12:47:14
○ 2026-06-14 23:35:20
○A52.7.114.512015-06-28 → 2015-06-28 · 3 obs
● 2015-06-28 17:09:44
○ 2017-02-05 21:15:56
○ 2026-06-14 23:35:20
○A52.7.149.742016-06-28 → 2016-06-28 · 4 obs
○ 2016-02-01 12:47:14
● 2016-06-28 01:24:54
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
○A52.7.171.2092015-06-28 → 2015-06-28 · 3 obs
● 2015-06-28 17:09:44
○ 2017-02-05 21:15:56
○ 2026-06-14 23:35:20
○A52.71.73.722016-02-01 → 2016-02-01 · 4 obs
○ 2015-11-08 21:23:58
● 2016-02-01 12:47:14
○ 2016-06-28 01:24:54
○ 2026-06-14 23:35:20
○A54.152.198.742016-02-01 → 2016-02-01 · 4 obs
○ 2015-11-08 21:23:58
● 2016-02-01 12:47:14
○ 2016-06-28 01:24:54
○ 2026-06-14 23:35:20
○A54.164.211.512016-06-28 → 2016-06-28 · 4 obs
○ 2016-02-01 12:47:14
● 2016-06-28 01:24:54
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
○A54.172.53.592017-02-05 → 2017-02-05 · 4 obs
○ 2016-06-28 01:24:54
● 2017-02-05 21:15:56
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
○A54.174.175.2512016-02-01 → 2016-02-01 · 4 obs
○ 2015-11-08 21:23:58
● 2016-02-01 12:47:14
○ 2016-06-28 01:24:54
○ 2026-06-14 23:35:20
○A54.210.234.1932015-06-28 → 2015-06-28 · 3 obs
● 2015-06-28 17:09:44
○ 2017-02-05 21:15:56
○ 2026-06-14 23:35:20
○A54.236.94.1952016-06-28 → 2016-06-28 · 4 obs
○ 2016-02-01 12:47:14
● 2016-06-28 01:24:54
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
○A54.89.39.1582017-02-05 → 2017-02-05 · 4 obs
○ 2016-06-28 01:24:54
● 2017-02-05 21:15:56
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
○CNAMEpr-zipcodes-us.neuweb.biz2015-11-08 → 2017-02-05 · 5 obs
○ 2015-06-28 17:09:44
● 2015-11-08 21:23:58
● 2017-02-05 21:15:56
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-11-08 → 2017-02-05 · 5 obs
○ 2015-06-28 17:09:44
● 2015-11-08 21:23:58
● 2017-02-05 21:15:56
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20
○CNAMEzip-lb.neuweb.biz2015-06-28 → 2017-02-05 · 4 obs
● 2015-06-28 17:09:44
● 2017-02-05 21:15:56
○ 2026-06-11 02:58:20
○ 2026-06-14 23:35:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
21097.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 21097.us (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

TypeCountSample Data
A144.222.57.23
NS2ns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

21097.us resolves to just one IP address, 44.222.57.23.

Two other host names, along with 79021.us, 92836.us and 24473.us, also share IP numbers with 21097.us.

Name Servers

The NS records for 21097.us delegate to ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

21097.us shares its NS records with other domains, for example 88697.us, 05288.us, 04001.us and two others.

ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz each resolve to one IP number: ns1.parkco2.neustar.biz points to 3.220.94.231 and ns2.parkco2.neustar.biz points to 3.227.227.44.