CF1761604500633-tsm20251027103946

DNSWHOIS.INFO - 21.21.123.in-addr.arpa

Search for IP or hostnames:

21.21.123.in-addr.arpa checked at 2025-10-27T22:35:00.611Z 537ms 41/41/41 100% R:13

21.21.123.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

21.123.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

21.21.123.in-addr.arpa's delegation uses two name servers: hcm-server1.vnn.vn and vdc-hn01.vnn.vn.

21.21.123.in-addr.arpa uses the same name server setup as other domains, such as 156.160.113.in-addr.arpa, 133.30.123.in-addr.arpa, 237.14.in-addr.arpa, 74.255.222.in-addr.arpa and suckhoevang.vn.

Host names with two IPs:

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.
dbq

EcpfQAv CF johedugfp 2025-10-27