mx.crewcom.com has six IP numbers. All of them are on the same IP network. mx.powweb.com, mx.corbas.com, mail.ehost.com, mail.xeran.com, mx.web2010.com and at least 26 other hosts point to the same IP. crewcom.com use this as a mailserver. crewcom.com is delegated to four nameservers, however all four delegated nameservers are missing in the zone and two other nameservers are listed. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for crewcom.com is handled by one mailserver having a total of six IP numbers. All of them are on the same IP network. crewcom.com has one IP number. mx.crewcom.com is hosted on six servers in United States.