Might be better to use an ip address that won't actually point to a machine. Pointing arbitrary names to localhost is probably 99.999 percent safe... but better

Might be better to use an ip address that won't actually point to a machine. Pointing arbitrary names to localhost is probably 99.999 percent safe... but better fully safe than sorry. rfc3330 mentions example ip addresses that are reserved for documentation purposes. Might be able to use those.