g1.aol.com is delegated to two nameservers, however both delegated nameservers are missing in the zone. All nameservers are at ns.aol.com. They are on different IP networks. g1.aol.fr, g1.aol.ca, g1.aim.com, g1.aol.co.uk, g1.netscape.fr and at least three other hosts share nameservers with this domain. mx.g1.aol.com, qa.g1.aol.com, jp.g1.aol.com, ops.g1.aol.com, mda.g1.aol.com and at least 16 other hosts are subdomains to this hostname. aol.com is a domain controlled by four nameservers also at ns.aol.com. All of them are on different IP networks. Incoming mail for aol.com is handled by four mailservers having a total of 15 IP numbers. Some of them are on the same IP network. aol.com has four IP numbers. Two of them are on the same IP network.