Summary
ns2.fbdns.nl has one IP number , which also has a corresponding reverse pointer.
porn.nl,
fbdns.nl,
babet.net,
funbit.nl,
fbdns.net and at least 100 other hosts use this as a nameserver.
fbdns.nl is a domain controlled by two nameservers at
fbdns.nl themselves. They are on the same IP network. Incoming mail for
fbdns.nl is handled by one mailserver having a total of two IP numbers. They are on the same IP network.
ns2.fbdns.nl is hosted on a server in Netherlands.