server.csl.de

Summary

ext1.server.csl.de, csl1.server.csl.de, mail4.server.csl.de, faxgw.server.csl.de, ext1-2.server.csl.de and at least nine other hosts are subdomains to this hostname. csl.de is a domain controlled by three nameservers at ns.nrw.net. All of them are on different IP networks. Incoming mail for csl.de is handled by two mailservers at nrw.net. They are on the same IP network. csl.de has one IP number.