Add continuous domain test script

resolver/test/resolving.bash

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+DOMAINS="twitter.com news.ycombinator.com"
+
+while true; do
+  for domain in $DOMAINS; do
+    # query domain
+    Q=$(dig $domain | tr '\n' '§')
+    # check result
+    if [[ $(echo $Q | grep NOERROR | wc -l) -gt 0 ]]; then
+      echo "$(date "+%y%m%d %H:%M:%S") [OK] $domain ($(echo $Q | grep -aoE 'valid for [a-z0-9]+'))"
+    else
+      echo ""
+      echo "$(date "+%y%m%d %H:%M:%S") [FAILED] $domain"
+      echo $Q | tr '§' '\n'
+      echo "#####"
+      echo ""
+    fi
+    # wait
+    sleep 5
+  done
+done