mail.crw.org 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. crw.org and www.crw.org use this as a mailserver. crw.org is delegated to four nameservers, however two delegated nameservers are missing in the zone. All of them are on the same IP network. Incoming mail for crw.org is handled by one mailserver having a total of six IP numbers. All of them are on the same IP network. crw.org has one IP number. mail.crw.org is hosted on six servers in United States.