package query import ( "crypto/tls" "io" "time" "github.com/lucas-clemente/quic-go" "github.com/miekg/dns" ) // Resolve DNS over QUIC, the hip new standard (for privacy I think, IDK) func ResolveQUIC(msg *dns.Msg, server string) (*dns.Msg, time.Duration, error) { tls := &tls.Config{ NextProtos: []string{"doq"}, } connection, err := quic.DialAddr(server, tls, nil) if err != nil { return nil, 0, err } // Compress request to over-the-wire buf, err := msg.Pack() if err != nil { return nil, 0, err } t := time.Now() stream, err := connection.OpenStream() if err != nil { return nil, 0, err } _, err = stream.Write(buf) if err != nil { return nil, 0, err } fullRes, err := io.ReadAll(stream) if err != nil { return nil, 0, err } rtt := time.Since(t) // Close with error: no error err = connection.CloseWithError(0, "") if err != nil { return nil, 0, err } err = stream.Close() if err != nil { return nil, 0, err } response := dns.Msg{} err = response.Unpack(fullRes) if err != nil { return nil, 0, err } return &response, rtt, nil }