SetCronJob just added 8 new servers and will be using them for processing your cronjobs. Please add their IP addresses to your whitelist as soon as possible.
Here are the new IPv4 addresses:
And here are new IPv6 addresses
You can view our full list of IP addresses at our Help Center.
If you want to receive email notification every time we add new servers, please subscribe here.
If you need any help, please feel free to create a ticket at the Help Center.