Get NXDOMAIN right on non-A/AAAA query for name known via interface-name.

src/auth.c

@@ -197,7 +197,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 	      if (in_zone(zone, intr->name, NULL))
 		{	
 		  found = 1;
-		  log_query(flag| F_REVERSE | F_CONFIG, intr->name, &addr, NULL);
+		  log_query(flag | F_REVERSE | F_CONFIG, intr->name, &addr, NULL);
 		  if (add_resource_record(header, limit, &trunc, nameoffset, &ansp, 
 					  daemon->auth_ttl, NULL,
 					  T_PTR, C_IN, "d", intr->name))
@@ -357,7 +357,6 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 	 flag = F_IPV6;
 #endif
        
-       if (flag)
        for (intr = daemon->int_names; intr; intr = intr->next)
 	 if (hostname_isequal(name, intr->name))
 	   {
@@ -370,6 +369,7 @@ size_t answer_auth(struct dns_header *header, char *limit, size_t qlen, time_t n
 #endif	
 	     nxdomain = 0;
 	     
+	     if (flag)
 	       for (; addrlist; addrlist = addrlist->next)  
 		 if (local_query || filter_constructed_dhcp(zone, flag, &addrlist->addr))
 		   {