CF1762997159181-tsm20251109205412

WWW.RTSAK.COM - 21.31.123.in-addr.arpa

Search for IP or hostnames:

21.31.123.in-addr.arpa checked at 2025-11-13T01:25:59.166Z 532ms 44/44/44 100% R:15 allDone:true timedOut:false

21.31.123.in-addr.arpa

NShcm-server1.vnn.vn
A2001:ee0:3281:8000::8 🇻🇳 VNPT-AS-VN
PTRvnpt.vn
A203.162.4.1🇻🇳 VNPT-AS-VN
PTRhcm-server1.vnn.vn
NSvdc-hn01.vnn.vn
A2001:ee0:3281::8 🇻🇳 VNPT-AS-VN
PTRvnpt.vn
A203.162.0.11🇻🇳 VNPT-AS-VN
PTRvdc-hn01.vnn.vn

31.123.in-addr.arpa

NShcm-server1.vnn.vn
NSvdc-hn01.vnn.vn

Up

Starts with same word

Starts similarily

AI analysis

The parent of 10.21.31.123.in-addr.arpa, 22.21.31.123.in-addr.arpa, 46.21.31.123.in-addr.arpa, 35.21.31.123.in-addr.arpa, 9.21.31.123.in-addr.arpa and a few other host names is 21.31.123.in-addr.arpa.

21.31.123.in-addr.arpa has two name servers: hcm-server1.vnn.vn and vdc-hn01.vnn.vn.

21.31.123.in-addr.arpa shares the same name server setup as other domains, for example 56.161.113.in-addr.arpa, 254.225.14.in-addr.arpa, 116.161.113.in-addr.arpa, 114.161.113.in-addr.arpa and minsoft.vn.

Host names with two IP numbers:

hcm-server1.vnn.vn points to: 2001:ee0:3281:8000::8 and 203.162.4.1; vdc-hn01.vnn.vn points to: 2001:ee0:3281::8 and 203.162.0.11.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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