twdns-03.ns.aol.com has one IP number , which also has a corresponding reverse pointer. tnt.tv, fn.com, si.com, tbs.tv, twi.com and at least 100 other hosts use this as a nameserver. ns.aol.com is a domain controlled by four nameservers at ns.aol.com themselves. All of them are on different IP networks. twdns-03.ns.aol.com is hosted on a server in United States.