diff --git a/data/actionsmap/yunohost.yml b/data/actionsmap/yunohost.yml
index 80a74251b..1798a9f26 100644
--- a/data/actionsmap/yunohost.yml
+++ b/data/actionsmap/yunohost.yml
@@ -302,6 +302,14 @@ domain:
             arguments:
                 domain:
                     help: Target domain
+                -t:
+                    full: --ttl
+                    help: Time To Live (TTL) in second before DNS servers update. Default is 3600 seconds (i.e. 1 hour).
+                    extra:
+                        pattern:
+                            - !!str ^[0-9]+$
+                            - "pattern_positive_number"
+
 
         ### domain_info()
 #        info:
diff --git a/locales/en.json b/locales/en.json
index 858036132..7b0f6445e 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -220,6 +220,7 @@
     "unlimit" : "No quota",
     "pattern_domain" : "Must be a valid domain name (e.g. my-domain.org)",
     "pattern_listname" : "Must be alphanumeric and underscore characters only",
+    "pattern_positive_number": "Must be a positive number",
     "pattern_port" : "Must be a valid port number (i.e. 0-65535)",
     "pattern_port_or_range" : "Must be a valid port number (i.e. 0-65535) or range of ports (e.g. 100:200)",
     "pattern_backup_archive_name" : "Must be a valid filename with alphanumeric and -_. characters only",
diff --git a/src/yunohost/domain.py b/src/yunohost/domain.py
index 535b94d40..f973b758d 100644
--- a/src/yunohost/domain.py
+++ b/src/yunohost/domain.py
@@ -220,17 +220,20 @@ def domain_remove(auth, domain, force=False):
     msignals.display(m18n.n('domain_deleted'), 'success')
 
 
-def domain_dns_conf(domain):
+def domain_dns_conf(domain, ttl=None):
     """
     Generate DNS configuration for a domain
 
     Keyword argument:
         domain -- Domain name
+        ttl -- Time to live
     """
 
+    ttl = 3600 if ttl is None else ttl
+
     ip4 = urlopen("http://ip.yunohost.org").read().strip()
 
-    result = "@ 1400 IN A {ip4}\n* 1400 IN A {ip4}\n".format(ip4=ip4)
+    result = "@ {ttl} IN A {ip4}\n* {ttl} IN A {ip4}\n".format(ttl=ttl, ip4=ip4)
 
     ip6 = None
 
@@ -239,17 +242,17 @@ def domain_dns_conf(domain):
     except Exception:
         pass
     else:
-        result += "@ 1400 IN AAAA {ip6}\n* 1400 IN AAAA {ip6}\n".format(ip6=ip6)
+        result += "@ {ttl} IN AAAA {ip6}\n* {ttl} IN AAAA {ip6}\n".format(ttl=ttl, ip6=ip6)
 
-    result += "\n_xmpp-client._tcp 14400 IN SRV 0 5 5222 {domain}.\n_xmpp-server._tcp 14400 IN SRV 0 5 5269 {domain}.\n".format(domain=domain)
+    result += "\n_xmpp-client._tcp {ttl} IN SRV 0 5 5222 {domain}.\n_xmpp-server._tcp {ttl} IN SRV 0 5 5269 {domain}.\n".format(ttl=ttl, domain=domain)
 
-    result += "muc 1800 IN CNAME @\npubsub 1800 IN CNAME @\nvjud 1800 IN CNAME @\n\n"
+    result += "muc {ttl} IN CNAME @\npubsub {ttl} IN CNAME @\nvjud {ttl} IN CNAME @\n\n".format(ttl=ttl)
 
-    result += "@ 1400 IN MX 10 {domain}.\n".format(domain=domain)
+    result += "@ {ttl} IN MX 10 {domain}.\n".format(ttl=ttl, domain=domain)
 
     if ip6 is None:
-        result += '@ 1400 IN TXT "v=spf1 a mx ip4:{ip4} -all"\n'.format(ip4=ip4)
+        result += '@ {ttl} IN TXT "v=spf1 a mx ip4:{ip4} -all"\n'.format(ttl=ttl, ip4=ip4)
     else:
-        result += '@ 1400 IN TXT "v=spf1 a mx ip4:{ip4} ip6:{ip6} -all"\n'.format(ip4=ip4, ip6=ip6)
+        result += '@ {ttl} IN TXT "v=spf1 a mx ip4:{ip4} ip6:{ip6} -all"\n'.format(ttl=ttl, ip4=ip4, ip6=ip6)
 
     return result