73811.us - robtex.com

73811.us

DNSSEC⚠️ Not signed
A100.57.182.102🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix
PTRec2-100-57-182-102.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=1784283723

Same first word

73811.us

Similar names

13781.us
17138.net
18371.com
11738.vip
11837.de
87113.com
18317.us
73181.com
13781.com
18731.com
71318.com
17813.com
18137.com
13718.cc
81713.us
38171.cn
13178.com
11837.us
73118.de
11837.com
83711.com
38711.cc
81731.cc
13817.cn
18317.de
17831.com
17381.com
11783.vip
81371.cn
37181.us
13817.com
71138.cn
13871.com
31817.us
81371.ru
31781.us
17318.com
73118.cc
18317.com
78311.com
13178.us
81713.cc
78311.xyz
18173.com
87113.cn
71831.cc
81371.com
87311.us
71318.cn
38171.com
11783.com
13187.de
18137.cn
11783.us
71183.com
38171.us
13718.com
13187.com
31781.com
11738.net
71381.us
38117.com
38117.us
71183.us
81137.cc
73118.com
78311.df.gov.br
13871.us
71813.us
11738.us
78113.org
78131.com
17138.com
37118.com
11738.com
87131.cn
81371.us
18713.com
37811.com

DNS History

23 records (3 active, 20 former)

20162017201820192020202120222023202420252026NSns1.parkco2.neustar.bizns2.parkco2.neustar.bizA100.57.182.10244.218.129.21844.222.57.2352.1.135.25052.1.72.10852.20.55.1952.201.3.12252.201.96.2352.21.0.5752.3.92.1352.54.147.23552.71.73.7252.86.135.12554.152.198.7454.172.165.2854.174.175.25154.175.14.10854.84.241.109CNAMEpr-zipcodes-us.neuweb.bizws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.comzip-lb.neuweb.biz
●NSns1.parkco2.neustar.biz2026-06-12 → 2026-07-17 · 2 obs
● 2026-06-12 08:45:40
● 2026-07-17 10:46:52
●NSns2.parkco2.neustar.biz2026-06-12 → 2026-07-17 · 2 obs
● 2026-06-12 08:45:40
● 2026-07-17 10:46:52
●A100.57.182.1022026-07-17 → 2026-07-17 · 3 obs
○ 2026-06-14 19:38:06
● 2026-07-17 10:46:50
● 2026-07-17 10:46:52
○A44.218.129.2182026-06-12 → 2026-06-12 · 4 obs
○ 2017-06-23 04:10:20
● 2026-06-12 08:45:40
○ 2026-06-14 19:38:06
○ 2026-07-17 10:46:52
○A44.222.57.232026-06-14 → 2026-06-14 · 4 obs
○ 2026-06-12 08:45:40
● 2026-06-14 19:38:06
○ 2026-07-17 10:46:50
○ 2026-07-17 10:46:52
○A52.1.135.2502015-11-12 → 2015-11-12 · 4 obs
○ 2015-06-30 09:09:12
● 2015-11-12 10:59:00
○ 2016-01-29 14:51:56
○ 2026-07-17 10:46:52
○A52.1.72.1082016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-29 14:51:56
● 2016-04-19 13:26:52
○ 2016-12-07 04:46:20
○ 2026-07-17 10:46:52
○A52.20.55.192015-11-12 → 2015-11-12 · 4 obs
○ 2015-06-30 09:09:12
● 2015-11-12 10:59:00
○ 2016-01-29 14:51:56
○ 2026-07-17 10:46:52
○A52.201.3.1222016-12-07 → 2016-12-07 · 4 obs
○ 2016-04-19 13:26:52
● 2016-12-07 04:46:20
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○A52.201.96.232016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-29 14:51:56
● 2016-04-19 13:26:52
○ 2016-12-07 04:46:20
○ 2026-07-17 10:46:52
○A52.21.0.572015-11-12 → 2015-11-12 · 4 obs
○ 2015-06-30 09:09:12
● 2015-11-12 10:59:00
○ 2016-01-29 14:51:56
○ 2026-07-17 10:46:52
○A52.3.92.132016-04-19 → 2016-04-19 · 4 obs
○ 2016-01-29 14:51:56
● 2016-04-19 13:26:52
○ 2016-12-07 04:46:20
○ 2026-07-17 10:46:52
○A52.54.147.2352016-12-07 → 2016-12-07 · 4 obs
○ 2016-04-19 13:26:52
● 2016-12-07 04:46:20
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○A52.71.73.722016-01-29 → 2016-01-29 · 4 obs
○ 2015-11-12 10:59:00
● 2016-01-29 14:51:56
○ 2016-04-19 13:26:52
○ 2026-07-17 10:46:52
○A52.86.135.1252016-12-07 → 2016-12-07 · 4 obs
○ 2016-04-19 13:26:52
● 2016-12-07 04:46:20
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○A54.152.198.742016-01-29 → 2016-01-29 · 4 obs
○ 2015-11-12 10:59:00
● 2016-01-29 14:51:56
○ 2016-04-19 13:26:52
○ 2026-07-17 10:46:52
○A54.172.165.282015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 09:09:12
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○A54.174.175.2512016-01-29 → 2016-01-29 · 4 obs
○ 2015-11-12 10:59:00
● 2016-01-29 14:51:56
○ 2016-04-19 13:26:52
○ 2026-07-17 10:46:52
○A54.175.14.1082015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 09:09:12
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○A54.84.241.1092015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 09:09:12
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○CNAMEpr-zipcodes-us.neuweb.biz2015-11-12 → 2016-12-07 · 5 obs
○ 2015-06-30 09:09:12
● 2015-11-12 10:59:00
● 2016-12-07 04:46:20
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○CNAMEws-pr-web-zipcodes-525549249.us-east-1.elb.amazonaws.com2015-11-12 → 2016-12-07 · 5 obs
○ 2015-06-30 09:09:12
● 2015-11-12 10:59:00
● 2016-12-07 04:46:20
○ 2017-06-23 04:10:20
○ 2026-07-17 10:46:52
○CNAMEzip-lb.neuweb.biz2015-06-30 → 2017-06-23 · 4 obs
● 2015-06-30 09:09:12
● 2017-06-23 04:10:20
○ 2026-06-12 08:45:40
○ 2026-07-17 10:46:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, f.cctld.us, w.cctld.us, n.cctld.us...-
73811.usns1.parkco2.neustar.biz, ns2.parkco2.neustar.biz-

✅ Authoritative Response

Server:3.227.227.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 73811.us (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

TypeCountSample Data
A1100.57.182.102
NS2ns2.parkco2.neustar.biz, ns1.parkco2.neustar.biz
TXT1v=spf1 -all
SOA1ns1.parkco2.neustar.biz hostmaster.neust

Analysis

IP Addresses

73811.us points to a single IP number: 100.57.182.102.

Additional host names — 55778.us, 71046.us, 02628.us and two others — share IP numbers with 73811.us.

Name Servers

DNS delegation for 73811.us points to two name servers: ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz.

73811.us shares its name server setup with other domains, including 96098.us, 35146.us, 26696.us and two others.

Both ns1.parkco2.neustar.biz and ns2.parkco2.neustar.biz have a single IP address each — ns1.parkco2.neustar.biz resolves to 3.220.94.231 while ns2.parkco2.neustar.biz resolves to 3.227.227.44.