DNSWHOIS.INFO - 121.40.1.in-addr.arpa
Search for IP or hostnames:
121.40.1.in-addr.arpa checked at 2025-10-19T20:16:42.313Z 275ms 39/39/39 100% R:10121.40.1.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
121.40.1.in-addr.arpa has two name servers: ns2.mel.optusnet.com.au and ns1.syd.optusnet.com.au.
121.40.1.in-addr.arpa shares the same name server setup as other domains, for example 242.104.58.in-addr.arpa, 58.29.211.in-addr.arpa, 170.176.49.in-addr.arpa, 30.111.58.in-addr.arpa and 111.37.175.in-addr.arpa.
121.40.1.in-addr.arpa shares some name servers with other domains, for example 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 alongside 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 a single IP:
ns2.mel.optusnet.com.au points to 211.31.132.98
ns1.syd.optusnet.com.au points to 211.29.152.97