SOLVED: I found that for some reason I needed to extend the default timeout to get the proper response
** Changed in: openssh (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1741176 Title: ssh-keyscan returns no key on some hosts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1741176/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs