sms03.k1net.de has one IP number , which also has a corresponding reverse pointer. ycg.de, wrw.eu, wmdb.de, aford.de, hkedv.eu and at least 59 other hosts use this as a mailserver. k1net.de is a domain controlled by three nameservers. Two of them are on the same IP network. Incoming mail for k1net.de is handled by two mailservers at k1net.de themselves. They are on the same IP network. k1net.de has one IP number. sms03.k1net.de is hosted on a server in Germany.