Custom domains supports custom domains through .domains files. Create a .domains file at the root of your repository, and include the custom domains you’d like to use with the page each on a separate line of the file.

Then, edit your DNS configuration to point to If you can use a CNAME record, set one with the following format:


(don’t include the brackets!)

If you cannot use a CNAME record, such as for apex domains, make a TXT record with the same format and create A and AAAA records with the IPs and 2605:a142:2135:4519::1 respectively.