21928.us - robtex.com

21928.us

DNSSEC⚠️ Not signed
A44.198.242.14🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-198-242-14.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=1783204616

Same first word

21928.us

Similar names

21829.com
28912.net
21289.net
12982.us
18292.com
91282.one
98122.com
22189.s3.amazonaws.com
28912.com
28219.de
28921.ph
28129.com
29281.cn
89221.xyz
22819.loan
22198.com
82912.us
81922.xyz
22918.com
28291.com
28219.com
91228.com
22189.cn
28291.duckdns.org
89212.xyz
92128.us
22891.cn
29821.com
21298.net
81292.us
82129.xyz
18229.cn
22198.us
82921.com
92128.com
28921.com
22981.com
28192.com
12892.com
21892.com
19822.com
28291.cc
82129.com
18292.us
22198.cn
28219.cn
12298.us
89221.com
91282.com
82219.com
28129.cc
82291.de
18292.cc
29281.us
82219.xyz
22819.com
89122.com
82192.com
92281.de
22918.net
21298.com
12928.com
12829.com
12298.com

DNS History

24 records (3 active, 21 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA44.198.242.143.231.231.6734.193.179.6244.197.3.20552.2.46.24052.20.158.9752.204.45.15552.22.127.20652.4.148.11852.4.6.24852.5.51.3052.7.114.5152.7.171.20954.152.17.12354.165.136.19054.208.235.7354.210.234.19354.85.187.10954.88.39.119CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-06-11 → 2026-07-04 · 2 obs
● 2026-06-11 04:41:22
● 2026-07-04 23:03:34
●NSns2.parkco2.neustar.biz2026-06-11 → 2026-07-04 · 2 obs
● 2026-06-11 04:41:22
● 2026-07-04 23:03:34
○A3.231.231.672026-06-11 → 2026-06-11 · 4 obs
○ 2017-03-29 06:58:06
● 2026-06-11 04:41:22
○ 2026-06-15 16:39:10
○ 2026-07-04 23:03:34
○A34.193.179.622017-03-29 → 2017-03-29 · 4 obs
○ 2016-07-21 05:59:38
● 2017-03-29 06:58:06
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○A44.197.3.2052026-06-15 → 2026-06-15 · 3 obs
○ 2026-06-11 04:41:22
● 2026-06-15 16:39:10
○ 2026-07-04 23:03:34
●A44.198.242.142026-07-04 → 2026-07-04 · 2 obs
○ 2026-06-15 16:39:10
● 2026-07-04 23:03:34
○A52.2.46.2402017-03-29 → 2017-03-29 · 4 obs
○ 2016-07-21 05:59:38
● 2017-03-29 06:58:06
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○A52.20.158.972015-12-10 → 2015-12-10 · 4 obs
○ 2015-08-07 16:52:16
● 2015-12-10 10:45:14
○ 2016-03-06 01:04:18
○ 2026-07-04 23:03:34
○A52.204.45.1552016-07-21 → 2016-07-21 · 4 obs
○ 2016-03-24 22:51:48
● 2016-07-21 05:59:38
○ 2017-03-29 06:58:06
○ 2026-07-04 23:03:34
○A52.22.127.2062015-12-10 → 2015-12-10 · 4 obs
○ 2015-08-07 16:52:16
● 2015-12-10 10:45:14
○ 2016-03-06 01:04:18
○ 2026-07-04 23:03:34
○A52.4.148.1182015-12-10 → 2015-12-10 · 4 obs
○ 2015-08-07 16:52:16
● 2015-12-10 10:45:14
○ 2016-03-06 01:04:18
○ 2026-07-04 23:03:34
○A52.4.6.2482016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-10 10:45:14
● 2016-03-06 01:04:18
○ 2016-03-24 22:51:48
○ 2026-07-04 23:03:34
○A52.5.51.302016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-10 10:45:14
● 2016-03-06 01:04:18
○ 2016-03-24 22:51:48
○ 2026-07-04 23:03:34
○A52.7.114.512015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 16:52:16
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○A52.7.171.2092015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 16:52:16
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○A54.152.17.1232016-07-21 → 2016-07-21 · 4 obs
○ 2016-03-24 22:51:48
● 2016-07-21 05:59:38
○ 2017-03-29 06:58:06
○ 2026-07-04 23:03:34
○A54.165.136.1902016-03-24 → 2016-03-24 · 4 obs
○ 2016-03-06 01:04:18
● 2016-03-24 22:51:48
○ 2016-07-21 05:59:38
○ 2026-07-04 23:03:34
○A54.208.235.732016-07-21 → 2016-07-21 · 4 obs
○ 2016-03-24 22:51:48
● 2016-07-21 05:59:38
○ 2017-03-29 06:58:06
○ 2026-07-04 23:03:34
○A54.210.234.1932015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 16:52:16
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○A54.85.187.1092017-03-29 → 2017-03-29 · 4 obs
○ 2016-07-21 05:59:38
● 2017-03-29 06:58:06
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○A54.88.39.1192016-03-06 → 2016-03-06 · 4 obs
○ 2015-12-10 10:45:14
● 2016-03-06 01:04:18
○ 2016-03-24 22:51:48
○ 2026-07-04 23:03:34
○CNAMEpr-zipcodes-us.neuweb.biz2015-12-10 → 2017-03-29 · 5 obs
○ 2015-08-07 16:52:16
● 2015-12-10 10:45:14
● 2017-03-29 06:58:06
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-12-10 → 2017-03-29 · 5 obs
○ 2015-08-07 16:52:16
● 2015-12-10 10:45:14
● 2017-03-29 06:58:06
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34
○CNAMEzip-lb.neuweb.biz2015-08-07 → 2017-03-29 · 4 obs
● 2015-08-07 16:52:16
● 2017-03-29 06:58:06
○ 2026-06-11 04:41:22
○ 2026-07-04 23:03:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
21928.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 21928.us (unsigned zone)

⏱️ Timing

Total: 889ms | Queries: -

📄 Records

TypeCountSample Data
A154.80.242.224
NS2ns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

21928.us has exactly one IP address — 44.198.242.14.

12929.us, 19657.us, 00982.us plus two other host names have IP numbers in common with 21928.us.

Name Servers

DNS delegation for 21928.us points to two name servers: ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

The name server configuration of 21928.us is shared with other domains, for instance 33659.us, 05572.us, 20437.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.