mail.c.la has one IP number , which is the same as for c.la, but the reverse is ks355250.kimsufi.com. c.la, sup.fr, ns3.c.la, www.c.la, ns1.c.la and at least 67 other hosts point to the same IP. c.la use this as a mailserver. c.la is a domain controlled by two nameservers at kimsufi.com. They are on different IP networks. Incoming mail for c.la is handled by one mailserver at c.la themselves. mail.c.la is hosted on a server in France even though the hostname implies Lao People'S Democratic Republic.