well-known

https://en.wikipedia.org/wiki/Well-known_URI

https://mta-sts.nigelpentland.co.uk/.well-known/mta-sts.txt

https://nigelpentland.co.uk/.well-known/security.txt

https://securitytxt.org/

https://wiki.gnupg.org/WKD

https://www.webkeydirectory.com/?email=nigel@nigelpentland.net

https://www.webkeydirectory.com/?email=wordpress@nigelpentland.co.uk

https://wkd.chimbosonic.com/api/nigel@nigelpentland.net

https://openpgpkey.nigelpentland.net/.well-known/openpgpkey/nigelpentland.net/policy

https://openpgpkey.nigelpentland.net/.well-known/openpgpkey/nigelpentland.net/hu/39injf1rfort9zqtzeoi4aigu5bw7fgo

https://keys.openpgp.org/search?q=nigel%40nigelpentland.net