Incoming mail for eu.level3.com is handled by one mailserver at level3.com. ebs.bbnplanet.com, genuityestate.net, mail.bbnplanet.com, salt.bbnplanet.com, dnsxfr.sys.gtei.net and at least 35 other hosts share mailservers with this domain. level3.com is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for level3.com is handled by two mailservers having a total of eight IP numbers. There are six duplicated IP numbers. Some of them are on the same IP network. level3.com has one IP number.