21307.us - robtex.com

21307.us

CNAMEpr-www-zipcode-us.expedrion.biz
CNAMEregistry-web-320964443.us-east-1.elb.amazonaws.com
DNSSEC⚠️ Not signed
A3.208.0.46🇺🇸 Amazon
PTRec2-3-208-0-46.compute-1.amazonaws.com
A44.208.51.223🇺🇸 Amazon

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=1771291699

Same first word

21307.com

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DNS History

15 records (3 active, 12 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA52.5.55.9752.7.114.5152.7.171.20952.7.210.1752.86.21.18854.152.17.12354.165.136.19054.209.45.15254.210.234.193CNAMEpr-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.biz2026-02-21 → 2026-02-21 · 1 obs
● 2026-02-21 12:56:58
●NSns2.parkco2.neustar.biz2026-02-21 → 2026-02-21 · 1 obs
● 2026-02-21 12:56:58
○A52.5.55.972016-03-25 → 2016-03-25 · 4 obs
○ 2015-11-28 09:41:54
● 2016-03-25 12:50:20
○ 2016-07-18 01:20:50
○ 2026-02-21 12:56:58
○A52.7.114.512015-08-15 → 2015-08-15 · 2 obs
● 2015-08-15 22:38:16
○ 2026-02-21 12:56:58
○A52.7.171.2092015-08-15 → 2015-08-15 · 2 obs
● 2015-08-15 22:38:16
○ 2026-02-21 12:56:58
○A52.7.210.172015-11-28 → 2015-11-28 · 4 obs
○ 2015-08-15 22:38:16
● 2015-11-28 09:41:54
○ 2016-03-25 12:50:20
○ 2026-02-21 12:56:58
○A52.86.21.1882016-03-25 → 2016-03-25 · 4 obs
○ 2015-11-28 09:41:54
● 2016-03-25 12:50:20
○ 2016-07-18 01:20:50
○ 2026-02-21 12:56:58
○A54.152.17.1232016-07-18 → 2016-07-18 · 3 obs
○ 2016-03-25 12:50:20
● 2016-07-18 01:20:50
○ 2026-02-21 12:56:58
○A54.165.136.1902016-03-25 → 2016-03-25 · 4 obs
○ 2015-11-28 09:41:54
● 2016-03-25 12:50:20
○ 2016-07-18 01:20:50
○ 2026-02-21 12:56:58
○A54.209.45.1522015-11-28 → 2015-11-28 · 4 obs
○ 2015-08-15 22:38:16
● 2015-11-28 09:41:54
○ 2016-03-25 12:50:20
○ 2026-02-21 12:56:58
○A54.210.234.1932015-08-15 → 2015-08-15 · 2 obs
● 2015-08-15 22:38:16
○ 2026-02-21 12:56:58
●CNAMEpr-www-zipcode-us.expedrion.biz2026-02-21 → 2026-02-21 · 2 obs
○ 2016-07-18 01:20:50
● 2026-02-21 12:56:58
○CNAMEpr-zipcodes-us.neuweb.biz2015-11-28 → 2016-07-18 · 4 obs
○ 2015-08-15 22:38:16
● 2015-11-28 09:41:54
● 2016-07-18 01:20:50
○ 2026-02-21 12:56:58
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-11-28 → 2016-07-18 · 4 obs
○ 2015-08-15 22:38:16
● 2015-11-28 09:41:54
● 2016-07-18 01:20:50
○ 2026-02-21 12:56:58
○CNAMEzip-lb.neuweb.biz2015-08-15 → 2016-07-18 · 3 obs
● 2015-08-15 22:38:16
● 2016-07-18 01:20:50
○ 2026-02-21 12:56:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
21307.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 21307.us (unsigned zone)

⏱️ Timing

Total: 51ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1pr-www-zipcode-us.expedrion.biz

AI analysis

21307.us points to two IP numbers: 3.208.0.46 and 44.208.51.223.

Other host names, for instance registry-web-320964443.us-east-1.elb.amazonaws.com, ec2-44-208-51-223.compute-1.amazonaws.com, ec2-3-208-0-46.compute-1.amazonaws.com and zipcode.us share IP numbers with 21307.us.