Whitelisting domains

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If you are having trouble connecting to Classroomscreen, we recommend giving this article to your IT representative/department - it should provide them with the tools to get the issue resolved.

tip:

Please ensure the domains below are unblocked so Classroomscreen can work correctly.

Critical domains for the app's core functionality

- *.Classroomscreen.Com (Basically, our main domain and all subdomains, two levels deep. For instance, we use Classroomscreen.Com, Auth.Classroomscreen.Com but also Prd.Files.Classroomscreen.Com. Please whitelist all subdomains with a wildcard.)

- *.Googleapis.Com (This also contains subdomains for SSO and databases.)  

- *.Sentry.Io (Needed to see issues that make it easier to provide support.)  

- *.Firebaseio.Com (Needed for a functioning Poll widget and syncing sessions of the same user between browsers.) 

Critical domains for signing in and out

- Securetoken.Googleapis.Com

- Identitytoolkit.Googleapis.Com

important:

This applies regardless of the sign-in method.

For SSO with Google or Microsoft

The following domains are loaded by the popup for SSO using Google:

- *.Youtube.Com

- *.Gstatic.Com

- *.Google.Com

The following domains are loaded by the popup for SSO using Microsoft:

- *.Msauth.Net

- *.Microsoftonline.Com

- *.Microsoft.Com

- *.Live.Com

Receiving transactional emails

If you are having trouble receiving transactional emails (like pro-licenses, password reset, verification email, etc.), please whitelist the following IP address:

- Email IP address: 172.246.20.106 

- DKIM Signature: send.classroomscreen.com

If you still need help, please contact us for additional assistance.

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