-Dynamic IP Update (only for A/NS) :

Default syntax :
If may also use a $key instead of $user and $pwd, like :
You can get/change your key in the User Area.

If you want to update all hostnames at one time, use the syntax :
Your IP address is automaticaly detected, if you want to update for another IP, you should use the syntax :
You can also use an extra &mx= variable (only for A hostnames) :
  &mx= : only update ip (default)
  &mx=0 : update ip + disable mx
  &mx=1 : update ip + enable/update mx
  &mx=2 : only enable/update mx
  &mx=3 : only disable mx

-How to use it :

For linux, update can be performed as command :
  lynx -dump "http://.."
At the prompt or in a script executed after connection like : /etc/ppp/ip-up.local

For windows, right click New -> Shortcut, Commandline :