.well-known[slash]host-meta

<?xml version='1.0' encoding='UTF-8'?>
<XRD xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0'
     xmlns:hm='http://host-meta.net/xrd/1.0'>
     <hm:Host>mrzyx.de</hm:Host>
  <Link rel='lrdd'
        template='https://mrzyx.de/webfinger.php?q={uri}'>
    <Title>Resource Descriptor</Title>
  </Link>
</XRD>

webfinger.php

<?php
 if (!isset($_GET['q'])) {
   header("HTTP/1.0 403 Forbidden");
   die("Forbidden");
 }

 // lazy ;)
 $q = $_GET['q'];

 // For now lets rewrite everything to Diaspora


 // Find out if it's already an handle
 if (strpos($q, "social.mrzyx.de") !== false) {
   // Ok then just redirect to it
   header("HTTP/1.0 301 Moved Permanently");
   header("Location: https://social.mrzyx.de/webfinger?q=".$q);
   die();
 } else {
   // Lets rewrite then
   $new_q = str_replace("@mrzyx.de", "@social.mrzyx.de", $q);
   if ($new_q == $q) {
     // Huh? Still the same? 404 then...
     header("HTTP/1.0 404 Not found");
     die();
   } else {
     // Alright ask over there, but ask me first later again
     header("HTTP/1.0 302 Found");
     header("Location: https://social.mrzyx.de/webfinger?q=".$new_q);
   }
 }
?>