Summary
ns3.pil.dk has one IP number , which also has a corresponding reverse pointer.
ns3.kkowboy.dk and
farnsworth.pil.dk point to the same IP.
n.dk,
kd.dk,
i1.dk,
dri.dk,
pil.dk and at least 100 other hosts use this as a nameserver.
pil.dk is a domain controlled by three nameservers at
pil.dk themselves. All of them are on different IP networks. Incoming mail for
pil.dk is handled by two mailservers also at
pil.dk. They are on different IP networks.
pil.dk has one IP number.
ns3.pil.dk is hosted on a server in Germany even though the hostname implies Denmark.