Let's add a decentralized DNS proof to your OpenPGP keys.
Update DNS records for your website
Add the following TXT record to the DNS records of the (sub)domain you want to prove control over (make sure to replace FINGERPRINT):
No specific TTL value is required.
Update the PGP key
First, edit the key (make sure to replace FINGERPRINT):
gpg --edit-key FINGERPRINT
Get a list of user IDs and find the index of the one to assign the notation to:
Select the desired user ID (make sure to replace N):
Add a new notation:
Enter the notation (make sure to replace DOMAIN, don't include https://):
Save the key:
Upload the key to WKD or use the following command to upload the key to keys.openpgp.org (make sure to replace FINGERPRINT):
gpg --keyserver hkps://keys.openpgp.org --send-keys FINGERPRINT
And you're done! Reload your profile page, it should now show a verified domain name.