kSCPropNetDNSOptions The DNS key Options, whose value is of type CFString. Declarationlet kSCPropNetDNSOptions: CFString See AlsoConstantskSCPropNetDNSDomainNamekSCPropNetDNSSearchDomainskSCPropNetDNSSearchOrderkSCPropNetDNSServerAddresseskSCPropNetDNSServerPortkSCPropNetDNSServerTimeoutkSCPropNetDNSSortListkSCPropNetDNSSupplementalMatchDomainskSCPropNetDNSSupplementalMatchOrders