dynamicIPUpdate.sh is works for Dozens DNS Record Global IP Addtess update.

First, open dynamicIPUpdate.sh with editor application and replace below:

line 4 replace your Dozens user name into username (e.g. johnappleseed).
line 5 replace your API Key into authkey (e.g. 123abc456def789ghi).
line 6 replace your domain name into domainname (e.g. example.com).
line 7 replace your domain-apex host name into servername (e.g. example.com).
line 8 replace your target host name into target hostname (e.g. www.hello.com).
line 9 replace your ttl into ttl (e.g. 7200).

Next, give executable mode to dynamicIPUpdate.sh and running script.