1) Create a directory in the root directory called ".well-known"
2) Create a file called nostr.json
3) Put this in it:
{
"names": {
"BTCGandalf": "ee0e01eb17fc6cb4cd2d9300d2f8945b51056514f156c6bc6d491b74496d161a"
}
}
4) Create a file in the root directory called ".htaccess"
5) Put this line in it:
Header set Access-Control-Allow-Origin "*"
6) In the NIP05 field put this:
BTCGandalf@BTCGandalf.com