NWConnection.EstablishmentReport.Resolution.DNSProtocol.udp The connection used cleartext UDP for DNS resolution. Declarationcase udp See AlsoResolution TransportsNWConnection.EstablishmentReport.Resolution.DNSProtocol.unknownNWConnection.EstablishmentReport.Resolution.DNSProtocol.tcpNWConnection.EstablishmentReport.Resolution.DNSProtocol.tlsNWConnection.EstablishmentReport.Resolution.DNSProtocol.https