Curated HKP keyserver. Keys are added after in-person verification only.
lookup
gpg --keyserver hkps://pgp.gumx.cc --recv-keys <fingerprint>
Or via HTTPS:
curl "https://pgp.gumx.cc/pks/lookup?op=get&search=0x<fingerprint>"
submit
Keys are not accepted without prior arrangement. Contact hi@gumx.cc.