Shell script to update DNS records on http://spdns.de/
Usage:
spdns-client.sh 1.0
Usage: spdns-client.sh -u <username> -p <password> -d <host> [-i <IP>]
Supported options:
-h print this help message
-v print version
-u <user> username
-p <pass> password
-d <host> hostname
-i <IP> IP address; if omitted or value is in private
subnet (10.0.0.0/8, 172.16.0.0/20 or 192.168.0.0/16)
the requesting IP is used