Added debugging.

src/core/resolv.c

 	struct resolver *resolver;
 
 	/* Check for a dotted quad IP address first */
-	if ( inet_aton ( name, address ) )
+	if ( inet_aton ( name, address ) ) {
+		DBG ( "RESOLV saw valid IP address %s\n", name );
 		return 1;
+	}
 
 	/* Try any compiled-in name resolution modules */
 	for ( resolver = resolvers ; resolver < resolvers_end ; resolver++ ) {
-		if ( resolver->resolv ( address, name ) )
+		if ( resolver->resolv ( address, name ) ) {
+			DBG ( "RESOLV resolved \"%s\" to %@ using %s\n",
+			      name, address->s_addr, resolver->name );
 			return 1;
+		}
 	}
 
+	DBG ( "RESOLV failed to resolve %s\n", name );
 	return 0;
 }

src/include/resolv.h

 #include "tables.h"
 
 struct resolver {
+	const char *name;
 	int ( * resolv ) ( struct in_addr *address, const char *name );
 };