We have changed the default hostname from the 1and1 (s17245888.info) and we are using a domain that is hosted on that server but if search for that domain now you can also see that the :8443 url is been indexed.
I've used this instructions to change the hostname
How to change or get a server hostname on Plesk server
how can I removed it from be indexed?
I've used this instructions to change the hostname
How to change or get a server hostname on Plesk server
how can I removed it from be indexed?