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):

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 keys.openpgp.org (make sure to replace FINGERPRINT):

And you're done! Reload your profile page, it should now show a verified domain.