In case your device is Browser or Desktop->Linux
In case you like to test within a restricted environment, you need to allow access of our public IP address to your website.
Thus, you should allow the following IPs:
188.8.131.52, 184.108.40.206 and 220.127.116.11
with https, i.e. TCP on port 443
with http, i.e. TCP on port 80
or what you specify in your url.
In case your device is Mobile or Desktop->Windows
We do not provide a static outgoing IP on default. In case you need a custom static outgoing IP, please contact us.