Summary
mx00.udag.de has one IP number , which also has a corresponding reverse pointer.
vmm.de,
pr9.be,
bids.de,
sta4.de,
udag.de and at least 100 other hosts use this as a mailserver.
udag.de is a domain controlled by three nameservers at
udagdns.net. All of them are on the same IP network. Incoming mail for
udag.de is handled by two mailservers at
udag.de themselves. They are on the same IP network.
udag.de has two IP numbers. They are on the same IP network.
mx00.udag.de is hosted on a server in Germany.