11.196.213.in-addr.arpa is delegated to two nameservers, however both delegated nameservers are missing in the zone. All nameservers are at dds.nl. They are on the same IP network. cyu.nl, dds.nl, dkfs.nl, h-e-f.org, l-en-l.nl and at least 55 other hosts share nameservers with this domain.