Index: umc/python/diagnostic/de.po
===================================================================
--- umc/python/diagnostic/de.po	(Revision 82483)
+++ umc/python/diagnostic/de.po	(Arbeitskopie)
@@ -878,9 +878,9 @@
 
 #: umc/python/diagnostic/plugins/kerberos_ddns_update.py:73
 #, python-brace-format
-msgid "`nsupdate` existence check for domain {domain} failed."
+msgid "`nsupdate` check for domain {domain} failed."
 msgstr ""
-"`nsupdate` Existenzprüfung für die Domänne {domain} ist fehlgeschlagen."
+"`nsupdate` Prüfung für die Domänne {domain} ist fehlgeschlagen."
 
 #: umc/python/diagnostic/plugins/samba_tool_dbcheck.py:113
 msgid "`samba-tool dbcheck` found no problems with the local AD database."
Index: umc/python/diagnostic/plugins/kerberos_ddns_update.py
===================================================================
--- umc/python/diagnostic/plugins/kerberos_ddns_update.py	(Revision 82483)
+++ umc/python/diagnostic/plugins/kerberos_ddns_update.py	(Arbeitskopie)
@@ -70,7 +70,7 @@
 		self.domainname = domainname
 
 	def __str__(self):
-		msg = _('`nsupdate` existence check for domain {domain} failed.')
+		msg = _('`nsupdate` check for domain {domain} failed.')
 		return msg.format(domain=self.domainname)
 
 
@@ -88,9 +88,9 @@
 
 
 def nsupdate(hostname, domainname):
-	process = subprocess.Popen(('nsupdate', '-g'), stdin=subprocess.PIPE,
+	process = subprocess.Popen(('nsupdate', '-g' , '-t', '15'), stdin=subprocess.PIPE,
 		stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
-	cmd = 'server {host}.{domain}\nprereq yxdomain {domain}\n'
+	cmd = 'server {host}.{domain}\nprereq yxdomain {domain}\nsend\n'
 	_ = process.communicate(cmd.format(host=hostname, domain=domainname))
 	if process.poll() != 0:
 		raise NSUpdateError(hostname, domainname)