handy ip test

downloadsites/webtools/artifacts/ip_test.php

+<?php
+    echo "Your IP: " . $_SERVER['REMOTE_ADDR'] . "<br />";
+    $hostname = gethostbyaddr($_SERVER['REMOTE_ADDR']);
+    echo "Your hostname (reverse lookup): " . $hostname . "<br />";
+    $ip = gethostbyname($hostname);
+    echo "Your hostname's IP (forward lookup of your reverse lookup): " . $ip . "<br />";
+    
+    if($ip != $_SERVER['REMOTE_ADDR']) {
+        echo "<font size=\"+4\" color=\"red\">Your DNS is broken. This may cause your connection to CVS to be slow!</font>";
+    }
+    else {
+        echo "<font size=\"+2\" color=\"green\">Your DNS seems okay! Thanks!</font>";
+    }
+    
+?>
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