28700.us - robtex.com

28700.us

DNSSEC⚠️ Not signed
A44.197.3.205🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-197-3-205.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=1781532187

Same first word

28700.us

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DNS History

15 records (3 active, 12 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA44.197.3.20544.218.129.21844.222.57.2352.1.72.10852.201.96.2352.3.92.1352.5.0.22752.7.171.20954.175.62.19454.210.234.193CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-06-11 → 2026-06-15 · 2 obs
● 2026-06-11 06:18:32
● 2026-06-15 14:30:38
●NSns2.parkco2.neustar.biz2026-06-11 → 2026-06-15 · 2 obs
● 2026-06-11 06:18:32
● 2026-06-15 14:30:38
●A44.197.3.2052026-06-15 → 2026-06-15 · 3 obs
○ 2026-06-12 05:37:14
● 2026-06-15 05:50:56
● 2026-06-15 14:30:38
○A44.218.129.2182026-06-11 → 2026-06-11 · 5 obs
○ 2016-05-09 01:48:26
● 2026-06-11 06:18:32
● 2026-06-11 11:37:18
○ 2026-06-12 05:37:14
○ 2026-06-15 14:30:38
○A44.222.57.232026-06-12 → 2026-06-12 · 4 obs
○ 2026-06-11 11:37:18
● 2026-06-12 05:37:14
○ 2026-06-15 05:50:56
○ 2026-06-15 14:30:38
○A52.1.72.1082016-05-09 → 2016-05-09 · 4 obs
○ 2015-12-04 20:42:42
● 2016-05-09 01:48:26
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38
○A52.201.96.232016-05-09 → 2016-05-09 · 4 obs
○ 2015-12-04 20:42:42
● 2016-05-09 01:48:26
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38
○A52.3.92.132016-05-09 → 2016-05-09 · 4 obs
○ 2015-12-04 20:42:42
● 2016-05-09 01:48:26
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38
○A52.5.0.2272015-12-04 → 2015-12-04 · 4 obs
○ 2015-08-18 13:51:30
● 2015-12-04 20:42:42
○ 2016-05-09 01:48:26
○ 2026-06-15 14:30:38
○A52.7.171.2092015-08-18 → 2015-08-18 · 3 obs
● 2015-08-18 13:51:30
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38
○A54.175.62.1942015-12-04 → 2015-12-04 · 4 obs
○ 2015-08-18 13:51:30
● 2015-12-04 20:42:42
○ 2016-05-09 01:48:26
○ 2026-06-15 14:30:38
○A54.210.234.1932015-08-18 → 2015-08-18 · 3 obs
● 2015-08-18 13:51:30
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38
○CNAMEpr-zipcodes-us.neuweb.biz2015-12-04 → 2016-05-09 · 5 obs
○ 2015-08-18 13:51:30
● 2015-12-04 20:42:42
● 2016-05-09 01:48:26
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-12-04 → 2016-05-09 · 5 obs
○ 2015-08-18 13:51:30
● 2015-12-04 20:42:42
● 2016-05-09 01:48:26
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38
○CNAMEzip-lb.neuweb.biz2015-08-18 → 2016-05-09 · 4 obs
● 2015-08-18 13:51:30
● 2016-05-09 01:48:26
○ 2026-06-11 06:18:32
○ 2026-06-15 14:30:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usy.cctld.us, m.cctld.us, b.cctld.us, k.cctld.us...-
28700.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 28700.us (unsigned zone)

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

TypeCountSample Data
A144.197.3.205
NS2ns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

28700.us resolves to just one IP address, 44.197.3.205.

Two other host names, along with 16098.us, 53646.us and 06720.us, also share IP numbers with 28700.us.

Name Servers

Two name servers handle the delegation for 28700.us: ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

28700.us shares its NS records with other domains, for example 45304.us, 98596.us, 59009.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.