Added IPv4/IPv6 address validation to A nd AAAA records.
Added IPv4/IPv6 address validation to A nd AAAA records.

d9pouces/django-powerdns-manager,kumina/django-powerdns-manager,gnotaras/django-powerdns-manager,kumina/django-powerdns-manager,d9pouces/django-powerdns-manager,gnotaras/django-powerdns-manager