Copy and paste the following line into a text file. See also this faq for information on how to use the configuration file.

www.gratisdns.de

# This is a configuration file for
# http://www.gratisdns.de/
# dynamic/static DNS service provider
# 
# No change is needed in this file
#
# IMPORTANT NOTE: DynDNS requires the option IsDynDNS to be 
# setmanually to 0 in its ini file with:
#  [Options]
#  IsDynDNS=0
#
# Created by Torsten Mueller 2007-01-10 [email protected]

[default]
withpass=1
host=dip.gratisdns.de
port=443

path=/nic/update
protocol=https

[requests]
hostname=%HOST%
myip=%IP%
system=dyndns

[result]
multilines=0
success=good
warning=nochg
html=0