CF1760976144957-tsm20251017082432

DNSWHOIS.INFO - 21.132.137.in-addr.arpa

Search for IP or hostnames:

21.132.137.in-addr.arpa checked at 2025-10-20T16:02:24.940Z 678ms 42/42/42 100% R:13

21.132.137.in-addr.arpa

NSns1.nus.edu.sg
A137.132.123.4🇸🇬 NUS-AS-AP
PTRid4.nus.edu.sg
PTRns1.nus.edu.sg
NSns2.nus.edu.sg
A137.132.5.2🇸🇬 NUS-AS-AP
PTRns2.nus.edu.sg
PTRnuscc.nus.edu.sg

132.137.in-addr.arpa

NSns1.nus.edu.sg
NSns2.nus.edu.sg

Up

Starts with same word

Starts similarily

AI analysis

21.132.137.in-addr.arpa is a parent of 217.21.132.137.in-addr.arpa, 117.21.132.137.in-addr.arpa, 249.21.132.137.in-addr.arpa, 235.21.132.137.in-addr.arpa and 247.21.132.137.in-addr.arpa, plus a few other host names.

21.132.137.in-addr.arpa is delegated to two name servers: ns1.nus.edu.sg and ns2.nus.edu.sg.

21.132.137.in-addr.arpa uses the same name server setup as other domains, for instance cbis.nus.edu.sg, physics.nus.edu.sg, lkyspp.nus.edu.sg, 212.132.137.in-addr.arpa and 7.132.137.in-addr.arpa.

21.132.137.in-addr.arpa at least partially shares name servers with other domains, such as nus.edu.sg and asiabird.com and duke-nus.edu.sg.

these name servers are commonly used together with dnssec1.singnet.com.sg and dnssec2.singnet.com.sg.

Host names with one IP number:

ns1.nus.edu.sg points to: 137.132.123.4.

ns2.nus.edu.sg points to: 137.132.5.2.

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

NKZrOlG CF johedugfp 2025-10-20