Incoming mail for mx-b1.vkn.de is handled by one mailserver at vkn.de. mx-b1.vkn.de has one IP number , which also has a corresponding reverse pointer. mail.technet-gmbh.com cnames to this hostname. vkn.de, f4w.de, vgct.de, hsrt.de, vknet.de and at least 60 other hosts use this as a mailserver. vkn.de, f4w.de, vgct.de, hsrt.de, vknet.de and at least 59 other hosts share mailservers with this domain. vkn.de is a domain controlled by two nameservers also at vkn.de. They are on different IP networks. Incoming mail for vkn.de is handled by one mailserver also at vkn.de. vkn.de has one IP number. mx-b1.vkn.de is hosted on a server in Germany.