multilevel subdomain handling, renamed functions

src/Config.php

@@ -43,7 +43,7 @@ final class Config
     /**
      * @var bool
      */
-    private $debug;
+    private $debug = false;
 
     /**
      * @var bool
@@ -138,6 +138,7 @@ final class Config
         return $this->debug;
     }
 
+
     /**
      * @return bool
      */

src/Handler.php

@@ -185,7 +185,7 @@ final class Handler
             }
         }
 
-        if ($changes) {
+        if (true === $changes) {
             $recordSet = new Soap\Dnsrecordset();
             $recordSet->dnsrecords = $infoHandle->responsedata->dnsrecords;
 

src/Payload.php

@@ -36,7 +36,7 @@ final class Payload
 
     /**
      * @var string
-     */
+    */
     private $txt;
 
     /**
@@ -127,7 +127,9 @@ final class Payload
      * works: nas.tld.de
      * works: tld.com
      * failed: nas.tld.co.uk
-     * failed: nas.home.tld.de
+     * failed: nas.home.tld.de  ** see new below
+     * 
+     *  new: for explicit host / domain separation use "&host=nas.home&domain=tld.de" for the last example
      *
      * @return string
      */