unknown ipv4 ipv6 63 1048576 1 ipv4 ipv6 ((25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9]) ([0-9a-fA-F]{0,4}:){0,7}[0-9a-fA-F]{0,4} (([0-9a-fA-F]+:){7}[0-9a-fA-F]+)|(([0-9a-fA-F]+:)*[0-9a-fA-F]+)?::(([0-9a-fA-F]+:)*[0-9a-fA-F]+)? ([0-9a-fA-F]{0,4}:){0,6}((25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9]).){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9]) (([0-9a-fA-F]+:){6}|(([0-9a-fA-F]+:)*[0-9a-fA-F]+)?::([0-9a-fA-F]+:)*)((25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9]).){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9]) ipv4 ipv6 32 128 255 ([A-Za-z0-9]([\-A-Za-z0-9]{0,61}[A-Za-z0-9])?.)*[A-Za-z0-9]([\-A-Za-z0-9]{0,61}[A-Za-z0-9])?.? ipv4 ipv6 dns