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Call +31 26 352 5555 or mail Otherwise, use the form at the bottom of the page. It may be useful to ask for the same person you dealt with before. If you have a solution in mind, please mention it. We'll do our best to get back to you by the next working day.

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Registratie & Service

Manager Registration & Services

+31 26 352 55 55

If you have a question, complain or suggestion, please contact one of our support employees. You can contact us from 08.00 tot 18.00 hrs.

  • Tuesday 25 September 2018

    About SIDN

    Registrars give SIDN Academy 8.5 out of 10


    Workshop on e-mail security standards is well received

    Read more
  • Friday 1 June 2018

    About SIDN

    Malicious website detector wins fourth Dutch Open Hackathon


    CrimeBusterBot voted best of 23 competing teams' creations

    Read more
  • Wednesday 25 April 2018


    Two new DNSSEC-validating DNS services launched


    In recent weeks, two new DNS services for the general public have been launched, and both support DNSSEC validation.

    Read more


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