- use dig before gethostbyname to resolve host names

ascon.h

@@ -112,9 +112,9 @@ char *AsconHostport(Ascon *a);
 /**
  * \brief return IP address
  * \param a The Ascon to query
- * \return the IP address 
+ * \return the IP address (dotted numbers)
  */
-unsigned long AsconIP(Ascon *a);
+char *AsconIP(Ascon *a);
 
 /**
  * \brief set or get timeout