This module scrapes the SetCronJob IPs from their website and makes them available as a list. Since this module dynamically generates the list, it won't be updated alongside updates to the SetCronJob list updates. You can follow the updates to any IP address changes by the following:
1. Log in to SetCronJob, visit Account > My Profile, click Update profile, and check the box "Receive SetCronJob server IP addresses notifications".
2. Create an account at [Setcronjob Support](https://setcronjob.zendesk.com/auth/v2/login/registration) and click the follow button [here](https://support.setcronjob.com/hc/en-us/articles/219802207-SetCronJob-IP-addresses-list).
[The SetCronjob service documentation](https://support.setcronjob.com/hc/en-us/articles/219802207-SetCronJob-IP-addresses-list) points to the following text files for IPs that they use: