Complaining about us

Unhappy about something we've done, or failed to do? Please let us know, so that we can put it right.

Contact us about the issue

Call +31 26 352 5555 or mail support@sidn.nl. 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.

Get more info about various types of problem:

Rebecca_285x285

Registratie & Service

Manager Registration & Services

+31 26 352 55 55

support@sidn.nl

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.

  • Friday 27 September 2019

    SIDN Labs

    How to choose DNS TTL values

    Thumb-Person-Holding-Pen-Over-Lottery-Ticket

    Choosing DNS time-to-live (TTL) values can feel like the lottery. But new research provides greater insight into what values work best for different applications.

    Read more
  • Thursday 13 December 2018

    .nl domain name

    Good prospects for the internet economy in 2019

    Thumb-Global-Business-Growth

    Growth figures and business forecasts are positive

    Read more
  • Tuesday 19 December 2017

    .nl domain name

    "We have to keep SIDN on their toes"

    Martijn-Kamphuis

    Registrars' Association elects new Chair

    Read more

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