bool dns_type_may_wildcard(uint16_t type);
bool dns_type_apex_only(uint16_t type);
bool dns_type_needs_authentication(uint16_t type);
+bool dns_type_is_zone_transer(uint16_t type);
int dns_type_to_af(uint16_t type);
bool dns_class_is_pseudo(uint16_t class);