$ gpg --keyserver pgp.mit.edu --recv-key 899EE360E0BB6BCBC81DAB4D87EAB1FA59640934 gpg: key 87EAB1FA59640934: public key "Tom Rathborne (Mad Computer Scientist) tom rathborne gmail com" imported
I used dehydrated to get a letsencrypt cert for 'gimp.ca' but the alternate 'www.gimp.ca' didn't get into the cert for some reason. My domains.txt was just "gimp.ca www.gimp.ca" so I'm not sure what went wrong.