Summary
Incoming mail for
mx1.nbi.dk is handled by one mailserver at
nbi.dk.
mx1.nbi.dk has one IP number , but the reverse is
up.nbi.dk.
up.nbi.dk point to the same IP and also shares mailservers.
nbi.dk,
grid.dk,
dcsc.dk,
nbia.dk,
dcgc.dk and at least 100 other hosts use this as a mailserver.
nbi.dk,
grid.dk,
dcsc.dk,
nbia.dk,
dcgc.dk and at least 100 other hosts share mailservers with this domain.
nbi.dk is delegated to three nameservers, however three extra nameservers are listed in the zone. Some of them are on the same IP network. Incoming mail for
nbi.dk is handled by one mailserver also at
nbi.dk.
mx1.nbi.dk is hosted on a server in Denmark.