ping, whois, nslookup traceroute etc.

Just for my own clarification, can someone explain how all the functions refer to each other since I'm not clear how to identify an individual host or its location.

I notice that FreeBSD does not include nslookup. Why is that? What to use instead.

Also I'm not sure whether whois provides definitive results. Does that depend on whose whois server one uses?
 
I notice that FreeBSD does not include nslookup. Why is that?
Maybe dig? (I used that a few times)
They're both part of the BIND named suite of tools. Once upon a time BIND was included with the base OS. If I remember correctly it was removed from the base with 9.0. To compensate the loss of some of those tools, drill(1) was added. It's more or less the same as dig(1).

If you really want to use nslookup(1) or drill(1), install dns/bind-tools
 
Just for my own clarification, can someone explain how all the functions refer to each other since I'm not clear how to identify an individual host or its location.

I notice that FreeBSD does not include nslookup. Why is that? What to use instead.

Also I'm not sure whether whois provides definitive results. Does that depend on whose whois server one uses?

Whois is being "sunsetted" by ICANN. Use RDAP.

/grandpa
 
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