add test script for useful dig command to test queries against the server

dig_query.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+if [[ "$1" == "--help" || "$1" == "-h" ]]; then
+    echo "Usage: ${0} [domain] [record_type]"
+    exit
+fi
+
+if [[ -n "$1" ]]; then
+    if [[ -n "$2" ]]; then
+        dig @127.0.0.1 -p 13337 "$1" "$2" +retry=0
+    else
+        dig @127.0.0.1 -p 13337 "$1" A +retry=0
+    fi
+else
+    dig @127.0.0.1 -p 13337 "git.comff.net" A +retry=0
+fi