Blocklists and regex

[yubiuser]

For the OP.
There is a feature request for what you want

Option to block recently created domains (DGA)

I try to elaborate on my previous post: The whole WHOIS protocol lacks proper standardisation, e.g. it does not guide encoding at all -neither for queries nor for the requested content- which would be a prerequisite for internationalisation, many of the data are not required to be well-formed (e.g. data might be labeled differently by different providers or not have the same semantics tied to it), there is no standard for determining the authoritative WHOIS server for a given domain name, possi…