I realize now you may have not understood (because I wasn't clear) when I originally wrote "I setup localhost.dog". I meant that I registered the domain name,

I realize now you may have not understood (because I wasn't clear) when I originally wrote "I setup localhost.dog". I meant that I registered the domain name, and setup the A,AAAA DNS records (including wildcards) to point to 127.0.0.1.