$ host ppa.launchpad.net ppa.launchpad.net has address 91.189.95.83
No IPv6 support, so PPA archive is not accessible by IPv6 only hosts :-(
Err:7 http://ppa.launchpad.net/scaleway/stable/ubuntu bionic InRelease Could not connect to ppa.launchpad.net:80 (91.189.95.83), connection timed out
$ host ppa.launchpad.net
ppa.launchpad.net has address 91.189.95.83
No IPv6 support, so PPA archive is not accessible by IPv6 only hosts :-(
Err:7 http:// ppa.launchpad. net/scaleway/ stable/ ubuntu bionic InRelease net:80 (91.189.95.83), connection timed out
Could not connect to ppa.launchpad.