-Supported:
+-- Supported --
DNSServiceRefSockFD
DNSServiceProcessResult
TXTRecordGetCount
TXTRecordGetItemAtIndex
-Unsupported:
+-- Unsupported but Relevant --
DNSServiceRegisterRecord
DNSServiceQueryRecord
DNSServiceAddRecord
DNSServiceUpdateRecord
DNSServiceRemoveRecord
+
+-- Unsupported and Irrelevant --
+
DNSServiceSetDefaultDomainForUser