NWConnection.EstablishmentReport.Resolution.DNSProtocol.tcp The connection used cleartext TCP for DNS resolution. Declarationcase tcp See AlsoResolution TransportsNWConnection.EstablishmentReport.Resolution.DNSProtocol.unknownNWConnection.EstablishmentReport.Resolution.DNSProtocol.udpNWConnection.EstablishmentReport.Resolution.DNSProtocol.tlsNWConnection.EstablishmentReport.Resolution.DNSProtocol.https