diff --git a/yunohost_dyndns.py b/yunohost_dyndns.py
index 77be9b78..d33493e3 100644
--- a/yunohost_dyndns.py
+++ b/yunohost_dyndns.py
@@ -111,12 +111,12 @@ def dyndns_update(dyn_host="dynhost.yunohost.org", domain=None, key=None, ip=Non
             'update delete vjud.'+ domain +'. A',
             'update delete _xmpp-client._tcp.'+ domain +'. SRV',
             'update delete _xmpp-server._tcp.'+ domain +'. SRV',
-            'update add '+ domain +'. 14400 A '+ new_ip,
+            'update add '+ domain +'. 1800 A '+ new_ip,
             'update add '+ domain +'. 14400 MX 5 '+ domain +'.',
             'update add '+ domain +'. 14400 TXT "v=spf1 a mx a:'+ domain +'. ?all"',
-            'update add pubsub.'+ domain +'. 14400 A '+ new_ip,
-            'update add muc.'+ domain +'. 14400 A '+ new_ip,
-            'update add vjud.'+ domain +'. 14400 A '+ new_ip,
+            'update add pubsub.'+ domain +'. 1800 A '+ new_ip,
+            'update add muc.'+ domain +'. 1800 A '+ new_ip,
+            'update add vjud.'+ domain +'. 1800 A '+ new_ip,
             'update add _xmpp-client._tcp.'+ domain +'. 14400 SRV 0 5 5222 '+ domain +'.',
             'update add _xmpp-server._tcp.'+ domain +'. 14400 SRV 0 5 5269 '+ domain +'.',
             'show',