On more investigation, I could get this to fail using openssl directly with
openssl s_client -connect launchpad.net:443
and then pasting together
GET / HTTP/1.1 Host: answers.launchpad.net
GET / HTTP/1.1 Host: bugs.launchpad.net
GET / HTTP/1.1 Host: code.launchpad.net
GET / HTTP/1.1 Host: translations.launchpad.net
On more investigation, I could get this to fail using openssl directly with
openssl s_client -connect launchpad.net:443
and then pasting together
GET / HTTP/1.1 launchpad. net
Host: answers.
GET / HTTP/1.1
Host: bugs.launchpad.net
GET / HTTP/1.1
Host: code.launchpad.net
GET / HTTP/1.1 launchpad. net
Host: translations.