private DnsResourceRecord ResolveDsRecord(ResourceRecordInfo info)
{
var startIndex = _reader.Index;
var keyTag = _reader.ReadUInt16NetworkOrder();
var algorithm = _reader.ReadByte();
var digestType = _reader.ReadByte();
var digest = _reader.ReadBytesToEnd(startIndex, info.RawDataLength).ToArray();
return(new DsRecord(info, keyTag, algorithm, digestType, digest));
}