Is it possible in Ubuntu Mate to disable reverse dns lookups?

Hi!

Is it possible in Ubuntu Mate to disable reverse dns lookups?

When yes, how?

Maybe this might help ...
https://www.e2enetworks.com/help/knowledge-base/disabling-reverse-dns-lookups-in-ssh/

That doesn't help me, thanks anyway.

so you wanna know what domains are on IP.
https://mxtoolbox.com/ReverseLookup.aspx
something like that should do the trick