sens01.dig.com has one IP number , which also has a corresponding reverse pointer. ns0.starwave.com and dns1.starwave.com point to the same IP. go.com, abc.com, kid.com, dig.com, 6abc.com and at least 100 other hosts use this as a nameserver. dig.com is a domain controlled by four nameservers at dig.com themselves. Two of them are on the same IP network. Incoming mail for dig.com is handled by six mailservers at disney.com. Some of them are on the same IP network. dig.com has one IP number. sens01.dig.com is hosted on a server in United States.