make meshname default, delegate to meship function if appropriate

pkg/meshname/server.go

@@ -61,10 +61,6 @@ func (s *MeshnameServer) Start() error {
 			Net:               "udp",
 			NotifyStartedFunc: func() { close(waitStarted) },
 		}
-		for tld, subnet := range s.networks {
-			dns.HandleFunc(tld, s.handleMeshnameRequest)
-			s.log.Debugln("Handling:", tld, subnet)
-		}
 		if s.enableMeshIP {
 			for mtld, subnet := range s.meshipNetworks {
 				//dns.HandleFunc("meship", s.handleMeshIPRequest)
@@ -73,6 +69,10 @@ func (s *MeshnameServer) Start() error {
 				s.log.Debugln("Handling as meship:", mtld, subnet)
 			}
 		}
+		for tld, subnet := range s.networks {
+			dns.HandleFunc(tld, s.handleMeshnameRequest)
+			s.log.Debugln("Handling:", tld, subnet)
+		}
 
 		go func() {
 			if err := s.dnsServer.ListenAndServe(); err != nil {
@@ -90,6 +90,7 @@ func (s *MeshnameServer) Start() error {
 }
 
 func (s *MeshnameServer) handleMeshnameRequest(w dns.ResponseWriter, r *dns.Msg) {
+	s.log.Debugln("== handleMeshnameRequest ==")
 	var remoteLookups = make(map[string][]dns.Question)
 	m := new(dns.Msg)
 	m.SetReply(r)
@@ -125,6 +126,11 @@ func (s *MeshnameServer) handleMeshnameRequest(w dns.ResponseWriter, r *dns.Msg)
 				firstPartLabels := dns.SplitDomainName(firstPart)
 				// define hostname ("subDomain")
 				subDomain = firstPartLabels[len(firstPartLabels)-1]
+				s.log.Debugln(tld, domainParts, firstPart, firstPartLabels, subDomain)
+				if len(firstPartLabels) == 1 {
+					s.handleMeshIPRequest(w, r)
+					return
+				}
 			}
 		}
 		//subDomain := labels[len(labels)-2]
@@ -166,6 +172,7 @@ func (s *MeshnameServer) handleMeshnameRequest(w dns.ResponseWriter, r *dns.Msg)
 }
 
 func (s *MeshnameServer) handleMeshIPRequest(w dns.ResponseWriter, r *dns.Msg) {
+	s.log.Debugln("== handleMeshIPRequest ==")
 	m := new(dns.Msg)
 	m.SetReply(r)
 	s.log.Debugln(r.String())