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School Network Restrictions

Website Permissions

Schools that use the Cyber Range may find that our website could potentially be blocked by their school's network restrictions. In order to prevent this, we ask that our domains be added to the allow list of any schools that wish to use the Cyber Range. We recommend contacting your institution's administration in order to add the following domains to the network allow list:

1. *

2. *

3. *

Invitations and Other Automated Emails

The most common method for students to join their course is from an email sent to them by request of their instructor. These and other automated emails will be sent from the following domain and will be DKIM signed and have a DMARC policy set:


This email address is also used to send time-based automated emails regarding course expiration and billing.

Have a Question? Contact Support


Students: Please reach out to your Instructor who can submit a ticket to our Support Team on your behalf.

We're here to help you. If you still have questions after reviewing the information above, please feel free to submit a ticket with our Support Team and we'll get back to you as soon as possible.