diff --git a/bin/v-make-separate-ip-for-email b/bin/v-make-separate-ip-for-email
index 6654b9688..1e0134639 100644
--- a/bin/v-make-separate-ip-for-email
+++ b/bin/v-make-separate-ip-for-email
@@ -137,3 +137,10 @@ if [ "$check_grep" -eq 0 ]; then
 fi
 
 echo "=== Done!"
+
+ptr=$(dig +short -x $MAIL_IP)
+if [ "$PTR" != "$MAIL_HOSTNAME" ]; then
+    echo ""
+    echo "WARNING: PTR for $MAIL_IP is $ptr"
+    echo "WARNING: PTR for $MAIL_IP should be $MAIL_HOSTNAME"
+fi