Summary
Incoming mail for
2a.boecom.de is handled by one mailserver having a total of four IP numbers. All of them are on the same IP network.
yes.de,
euko.de,
bwbv.de,
azvd.nl,
cutes.de and at least 100 other hosts share mailservers with this domain.
boecom.de is a domain controlled by two nameservers at
rzone.de. They are on different IP networks. Incoming mail for
boecom.de is handled by two mailservers on different IP networks.
boecom.de has one IP number.