Summary
wwww.facebook.com is delegated to five nameservers, however all five delegated nameservers are missing in the zone. Some of them are on the same IP network.
wwww.facebook.com has one IP number , but the reverse is
www-10-01-snc2.facebook.com.
fbcdn.com,
fbcdn.net,
facebook.it,
facebook.no,
facebook.fr and at least 77 other hosts point to the same IP.
vpn.tfbnw.net,
m.facebook.com,
ww.facebook.com,
www.facebook.com,
ssl.facebook.com and at least 14 other hosts share nameservers with this domain.
facebook.com is a domain controlled by four nameservers. Two of them are on the same IP network. Incoming mail for
facebook.com is handled by two mailservers on the same IP network.
facebook.com has five IP numbers. Some of them are on the same IP network.
wwww.facebook.com is hosted on a server in United States.