IPLIST.NET - 121.40.1.in-addr.arpa
Search for IP or hostnames:
121.40.1.in-addr.arpa checked at 2025-10-08T08:15:11.381Z 259ms 39/39/39 100% R:12121.40.1.in-addr.arpa
| NS | ns2.mel.optusnet.com.au | ||||||
| A | 211.31.132.98🇦🇺 Optus Internet | ||||||
| PTR | ns2.mel.optusnet.com.au | ||||||
| NS | ns1.syd.optusnet.com.au | ||||||
| A | 211.29.152.97🇦🇺 Optus Internet | ||||||
| PTR | ns1.syd.optusnet.com.au | ||||||
40.1.in-addr.arpa
| NS | dnsappsvc01.syd.optusnet.com.au | ||||||
| NS | dnsappsvc02.syd.optusnet.com.au | ||||||
Starts with same word
Starts similarily
AI analysis
Two name servers ns2.mel.optusnet.com.au and ns1.syd.optusnet.com.au handle the delegation for 121.40.1.in-addr.arpa.
121.40.1.in-addr.arpa shares the same name server setup as other domains, for instance 242.104.58.in-addr.arpa, 58.29.211.in-addr.arpa, 170.176.49.in-addr.arpa, 111.37.175.in-addr.arpa and 77.186.49.in-addr.arpa.
121.40.1.in-addr.arpa at least partially shares name servers with other domains, for instance 126.42.1.in-addr.arpa, 138.193.49.in-addr.arpa, 44.32.175.in-addr.arpa, 137.193.49.in-addr.arpa and 249.176.49.in-addr.arpa.
These name servers are commonly used with the following: dns2-slave01.mel.optusnet.com.au, dns2-slave02.mel.optusnet.com.au, dns1-slave01.syd.optusnet.com.au and dns1-slave02.syd.optusnet.com.au.
Host names with one IP:
ns2.mel.optusnet.com.au points to: 211.31.132.98
ns1.syd.optusnet.com.au points to: 211.29.152.97