I'm learning about DNS, so out of curiosity I typed:
nslookup com
And this is the output:
Server: 192.168.1.1
Address: 192.168.1.1#53
Non-authoritative answer:
Name: com.domain.name
Address: 178.254.23.10
I din't find any information about the IP on Google, so I opened 178.254.23.10 in the browser and it shows a default hosting software page.
nslookup -type=NS com says that I can get authoritative answers from ns1.start-dns.de.
I looked at related questions on ServerFault, but no one mentions this IP. What exactly is this? Why am I getting it?
When you query nslookup for com, this is actually an unqualified host name and will not resolve, so nslookup quietly appends the default DNS suffix (in your case it is domain.name) before running the query.
Thus when you ask nslookup to look for com, it will instead look up com.domain.name, which resolves to 178.254.23.10
The .name is a top-level domain, managed by Verisign (https://en.wikipedia.org/wiki/.name)
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