mail.txana.org has two IP numbers. They are on the same IP network. cblb.net, wilson.ms, bbdps.com, abate.net, smtp.40.com and at least 100 other hosts point to the same IP. txana.org use this as a mailserver. txana.org is a domain controlled by two nameservers at affiniscape.com. They are on different IP networks. Incoming mail for txana.org is handled by one mailserver having a total of two IP numbers. They are on the same IP network. txana.org has one IP number. mail.txana.org is hosted on two servers in United States.