gnewpg is a PGP key server that aims to make PGP more secure.
What is a PGP key server? What advantages does gnewpg have over other keyservers?
To receive new signatures for a key that is not publicly searchable, upload the public key to prove that you posess it.
Configure your local PGP application to use gnewpg as a keyserver. The public keyserver URL is hkps://keyserver.gnewpg.org. Log in to get an individual key server URL that keeps track of your uploaded keys. Common problems configuring the keyserver