NWConnection.EstablishmentReport.Resolution.DNSProtocol.tls The connection used TLS for DNS resolution. Declarationcase tls See AlsoResolution TransportsNWConnection.EstablishmentReport.Resolution.DNSProtocol.unknownNWConnection.EstablishmentReport.Resolution.DNSProtocol.udpNWConnection.EstablishmentReport.Resolution.DNSProtocol.tcpNWConnection.EstablishmentReport.Resolution.DNSProtocol.https