Cronjob shell scripts to update IPv4 & IPv6 adresses seperately on Dynv6.com
Set it up in crontab -e like this:
For IPv6-Support:
*/1 * * * * /srv/dynv6-cron-v6only.sh whatever.dynv6.net token-for-auth > /dev/null 2>&1
For IPv4-Support:
*/1 * * * * /srv/dynv6-cron-v4only.sh whatever.dynv6.net token-for-auth > /dev/null 2>&1