mail.nna.ir has one IP number , which is the same as for nna.ir, via cname , but the reverse is 72.232.215.218.svservers.com. bsk.ir, shs.ir, ycc.ir, bsjd.ir, teyf.ir and at least 64 other hosts point to the same IP. nna.ir is a domain controlled by two nameservers at mihanhost.com. They are on the same IP network. Incoming mail for nna.ir is handled by one mailserver at ir. mail.nna.ir is hosted on a server in United States even though the hostname implies Iran.