Custom error type definitions.
Represents the flags of a
Represents a DNS CLASS. See RFC 1035 for further information. Other classes than IN and ANY are included only for completeness and historical reasons.
Represents a DNS RCODE, including those introduced by EDNS. See here for further information.
Represents a DNS record, i. e. an entry in the answer, authority or additional section of a DNS message. See RFC 1035 for further information.