Summary
ns3.tds.de has one IP number , but the reverse is
tds-nws.de.
tds-nws.de point to the same IP.
tds.de,
bfd.ag,
hse24.ch,
hse24.at,
hse24.de and at least 65 other hosts use this as a nameserver.
tds.de is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are at
tds.de themselves. Two of them are on the same IP network. Incoming mail for
tds.de is handled by two mailservers also at
tds.de. They are on the same IP network.
ns3.tds.de is hosted on a server in Germany.