Qubes U2F proxy -- our attempt to protect: 1) the U2F keys from misuse by compromised browsers, as well as: 2) protecting the browsers from USB-originating attacks.
Also, thanks to the Google Security Team (and @darrenbilby in particular!) for supporting this little project!
@1and1help_ca shame of tech support, several phone calls and break calls, I got my domain pointing to wrong DNS's since dec30-17 , domain status shows "updating"... HEEEEELP