Updates a dns zone.
$session_id, $client_id, $primary_id, $params
Parameters (in $params):server_id (int(11))
origin (varchar(255))
ns (varchar(255))
mbox (varchar(255))
serial (int(11))
refresh (int(11))
retry (retry(11))
expire (int(11))
minimum (int(11))
ttl (int(11))
active (enum('n','y'))
xfer (varchar(255))
also_notify (varchar(255))
update_acl (varchar(255))
Output:Returns the number of affected rows.