Mark DynDNS provider hostnames differently

[elhoim]

Mark the hostnames being part of DynDNS providers differently (examples: bad.3322.org / bob.dyndns.org )

A way to do this, would be DynDNS type entity that is inheriting from hostname.

Collection of lists of DynDNS domains that could be used: http://trojanedbinaries.com/security/dynamicdns/