--- common/dns.c.orig	Fri Jun 22 08:34:54 2001
+++ common/dns.c	Mon Oct 15 11:02:45 2001
@@ -316,7 +316,8 @@
 
 	/* For each subzone, try to find a cached zone. */
 	for (np = dname; np; np = strchr (np, '.')) {
-		np++;
+		if (*np == '.')
+			np++;
 		status = dns_zone_lookup (&zone, np);
 		if (status == ISC_R_SUCCESS)
 			break;