SURFcertificaten: encrypted connections to your web servers

SURFcertificaten ('SURFcertificates') provides several types of certificates for users at affiliated institutions. Certificates are essential for IT-security. They enable encryption of information between computer systems and can provide digital signatures for documents or software code.

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Registering for SURFcertificaten (SURFcertificates)

Would you like to secure the connections to your web servers by encrypting them? Sign up for SURFcertificaten. We are authorised to issue Sectigo certificates. You can sign up in 4 simple steps.

1. Send e-mail to SURF

Send an e-mail to with the following information:

  • that you would like to use SURFcertificaten
  • The name of the person who will become your primary applicant. This user gets an administrator account for the Sectigo self-service portal.

2. Complete and send Annex XII to the Agreement of Use

Upon receipt of your application, we will send you Annex XII SURF certificates to the User Agreement (PDF, in Dutch). Sign it and return it to:
FAO SURFcertificaten
Postbus 19035
3501 DA Utrecht

3. Creating an email distribution list

Create an email distribution list containing your primary applicants. Give it the name We use this list to make announcements about the service.

4. Using SURFcertificaten

Once we have received the signed Annex XII, the primary applicant (which you provided in step 1) will receive further instructions on how to use SURFcertificaten.

More information 

The SURFcertificaten wiki contains documentation on the use of the Sectigo portal.