OptionaldnssecSet the DNSSEC OK (DO) bit to request DNSSEC records.
OptionalextendedThe upper 8 bits of the extended RCODE; defaults to 0.
OptionaloptionsExtra EDNS options to carry in the rdata.
OptionaludpThe advertised UDP payload size; defaults to DEFAULT_UDP_PAYLOAD_SIZE.
OptionalversionThe EDNS version; defaults to 0 (EDNS0).
Options for encodeOptRecord.
Since
1.0.4