21767.us - robtex.com

21767.us

DNSSEC⚠️ Not signed
A52.206.71.9🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix
PTRec2-52-206-71-9.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=1784447611

Same first word

21767.us
21767.com

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17726.cn
76712.us
62717.com
72167.com
62177.xyz
72671.us
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26771.com
67712.xyz
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77612.com
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17762.us
17627.net
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26177.cn
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17627.cfd
17762.com
27761.com
76712.com
17267.com
71267.com
67172.cn
27176.com
61727.com
77126.us
72761.us

DNS History

21 records (3 active, 18 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA52.206.71.9107.23.215.1344.222.57.2352.0.47.13152.201.203.24652.202.9.24452.4.233.952.5.156.24152.5.244.1152.5.55.9752.7.196.23252.86.21.18854.152.227.17854.165.136.19054.84.173.5854.85.112.7CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-06-12 → 2026-07-19 · 2 obs
● 2026-06-12 00:49:28
● 2026-07-19 08:06:42
●NSns2.parkco2.neustar.biz2026-06-12 → 2026-07-19 · 2 obs
● 2026-06-12 00:49:28
● 2026-07-19 08:06:42
○A107.23.215.132015-10-20 → 2015-10-20 · 4 obs
○ 2015-06-01 01:46:58
● 2015-10-20 02:53:48
○ 2015-12-30 12:13:02
○ 2026-07-19 08:06:42
○A44.222.57.232026-06-12 → 2026-06-15 · 4 obs
○ 2017-05-31 06:19:40
● 2026-06-12 00:49:28
● 2026-06-15 02:08:44
○ 2026-07-19 08:06:42
○A52.0.47.1312015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 01:46:58
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
○A52.201.203.2462016-09-12 → 2016-09-12 · 4 obs
○ 2016-04-06 15:27:12
● 2016-09-12 23:51:48
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
○A52.202.9.2442016-09-12 → 2016-09-12 · 4 obs
○ 2016-04-06 15:27:12
● 2016-09-12 23:51:48
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
●A52.206.71.92026-07-19 → 2026-07-19 · 2 obs
○ 2026-06-15 02:08:44
● 2026-07-19 08:06:42
○A52.4.233.92015-12-30 → 2015-12-30 · 4 obs
○ 2015-10-20 02:53:48
● 2015-12-30 12:13:02
○ 2016-04-06 15:27:12
○ 2026-07-19 08:06:42
○A52.5.156.2412016-09-12 → 2016-09-12 · 4 obs
○ 2016-04-06 15:27:12
● 2016-09-12 23:51:48
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
○A52.5.244.112015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 01:46:58
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
○A52.5.55.972016-04-06 → 2016-04-06 · 4 obs
○ 2015-12-30 12:13:02
● 2016-04-06 15:27:12
○ 2016-09-12 23:51:48
○ 2026-07-19 08:06:42
○A52.7.196.2322015-06-01 → 2015-06-01 · 3 obs
● 2015-06-01 01:46:58
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
○A52.86.21.1882016-04-06 → 2016-04-06 · 4 obs
○ 2015-12-30 12:13:02
● 2016-04-06 15:27:12
○ 2016-09-12 23:51:48
○ 2026-07-19 08:06:42
○A54.152.227.1782015-10-20 → 2015-10-20 · 4 obs
○ 2015-06-01 01:46:58
● 2015-10-20 02:53:48
○ 2015-12-30 12:13:02
○ 2026-07-19 08:06:42
○A54.165.136.1902016-04-06 → 2016-04-06 · 4 obs
○ 2015-12-30 12:13:02
● 2016-04-06 15:27:12
○ 2016-09-12 23:51:48
○ 2026-07-19 08:06:42
○A54.84.173.582015-10-20 → 2015-10-20 · 4 obs
○ 2015-06-01 01:46:58
● 2015-10-20 02:53:48
○ 2015-12-30 12:13:02
○ 2026-07-19 08:06:42
○A54.85.112.72015-12-30 → 2015-12-30 · 4 obs
○ 2015-10-20 02:53:48
● 2015-12-30 12:13:02
○ 2016-04-06 15:27:12
○ 2026-07-19 08:06:42
○CNAMEpr-zipcodes-us.neuweb.biz2015-10-20 → 2016-09-12 · 5 obs
○ 2015-06-01 01:46:58
● 2015-10-20 02:53:48
● 2016-09-12 23:51:48
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-10-20 → 2016-09-12 · 5 obs
○ 2015-06-01 01:46:58
● 2015-10-20 02:53:48
● 2016-09-12 23:51:48
○ 2017-05-31 06:19:40
○ 2026-07-19 08:06:42
○CNAMEzip-lb.neuweb.biz2015-06-01 → 2017-05-31 · 4 obs
● 2015-06-01 01:46:58
● 2017-05-31 06:19:40
○ 2026-06-12 00:49:28
○ 2026-07-19 08:06:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
21767.usns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz-

✅ Authoritative Response

Server:3.220.94.231

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21767.us (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

TypeCountSample Data
A152.206.71.9
NS2ns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

21767.us resolves to just one IP address, 52.206.71.9.

Two other host names, along with 83080.us, 38738.us and 56024.us, also share IP numbers with 21767.us.

Name Servers

The NS records for 21767.us delegate to ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

21767.us shares its NS records with other domains, for example 39966.us, 78091.us, 89259.us and two others.

ns1.parkco2.neustar.biz → 3.220.94.231 and ns2.parkco2.neustar.biz → 3.227.227.44: one IP number per host name.