Gpg keyservers
From wikinotes
Keyservers allow you to share your public keys, so that others can encrypt messages intended for you.
Common KeyServers
https://sks-keyservers.net/ |
https://keys.mailvelope.com/ |
https://keys.openpgp.org/ |
Basics
gpg --send-keys keyname # upload key to keyserver
gpg --search-keys keyname # search keys on keyserver
gpg --recv-keys keyname # download key from keyserver