zm.celtel.com is a domain controlled by two nameservers on different IP networks. Incoming mail for zm.celtel.com is handled by two mailservers at zm.celtel.com themselves. They are on different IP networks. zain.ne, zain.cd, zain.com, celtel.cd, celtel.com and at least 54 other hosts share nameservers with this domain. celtel.co.zm share mailservers with this domain. mms.zm.celtel.com, owa.zm.celtel.com, ics.zm.celtel.com, ftp.zm.celtel.com, mail.zm.celtel.com and at least two other hosts are subdomains to this hostname. celtel.com is delegated to two nameservers, however one delegated nameserver is missing in the zone and one other nameserver is listed instead. Two of them are on the same IP network. Incoming mail for celtel.com is handled by one mailserver having a total of two IP numbers. They are on different IP networks. celtel.com has one IP number.