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Frequently asked questions

  • I am looking for a domain name registrant. Where can I look it up?

    The Whois is an easy-to-use tool for checking the availability of a .nl domain name. If the domain name is already taken, you can see who has registered it.

    On the page looking up a domain name you will find more information about what a domain name is, how the Whois works and how the privacy of personal data is protected. Alternatively, you can go straight to look for a domain name via the Whois.

  • I would like to transfer my domain name to another registrar. What is the procedure?

    To get your domain name transferred, you need the token (unique ID number) for your domain name. Your existing registrar has the token and is obliged to give it to you within five days, if you ask for it. The procedure for changing your registrar is described on the page transferring your domain name.

  • The details registered about me/my company are incorrect or out of date. How can I get them updated?

    To update the contact details associated with your domain name, you need to contact your registrar. Read more about updating contact details.

  • Why is my domain name in quarantine?

    When a domain name is cancelled, we aren't told the reason, so we can't tell you. You'll need to ask your registrar. The advantage of quarantine is that, if a name's cancelled by mistake, you can always get it back.

    One common reason is that the contract between you and your registrar says you've got to renew the registration every year. If you haven't set up automatic renewal and you don't renew manually, the registration will expire.

  • Ik heb een klacht over mijn provider/registrar. Kan ik daarvoor bij SIDN terecht?

    Wanneer je een klacht hebt over of een geschil met je registrar dan zijn er verschillende mogelijkheden om tot een oplossing te komen. Hierover lees je meer op pagina klacht over registrar. SIDN heeft geen formele klachtenprocedure voor het behandelen van een klacht over jouw registrar.

  • What conditions do I have to meet as a registrar?

    Would you like to be able to register domain names for customers or for your own organisation by dealing directly with SIDN? If so, you can become a .nl registrar. Read more about the conditions and how to apply for registrar status on the page becoming a registrar.

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About SIDN

We manage the .nl domain. That involves registering .nl domain names, of course and whenever you type a .nl address, we make sure that you are directed to the correct site. But we do other things as well. We share our knowledge and develop new services for domains and cyber security for instance. And we support initiatives aimed at making the internet better. Learn more about who we are and how you can get involved. Read our news bulletins or get our contact details.

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  • News and blogs

    Read our latest news about domain names, cybersecurity and about SIDN.

    Read our latest news

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  • Our newsletters

    Monthly we sent you the latest news about our business, trends and useful tips by mail. Stay up to date too!

    Sign up for our newsletter

    Read more Our newsletters

  • SIDN Panel

    We would like to hear your opinion on relevant questions regarding domain names, cybersecurity or online identity. Join the SIDN Panel and share your opinion.

    Join the SIDN Panel

    Read more SIDN Panel

  • Press contact

    Would you like more information for your article or program about .nl domain names or cybersecurity? Then you've come to the right place. We can let experts speak or help you write a blog or article. Feel free to contact us, we are happy to help you.

    Read more on our press page

    Read more Press contact

Other interesting websites

  • SIDN Fund

    SIDN Fund is an independent foundation, through which we help to increase the internet's value to society and the economy. Read about all the projects that have been supported by SIDN Fund and how to apply for a grant.

    Read more about SIDN Fund

    Read more SIDN Fund

  • Our impact

    In line with that mission and belief, we've identified three fields where we can and should have an impact: economic growth, internet security and stability, and digital inclusion. See what we achieved.

    Visit our impact website

    Read more Our impact

  • SIDN's Annual Report

    Take a look back at the last year, with our review of all the main events.

    Take a look at our Annual Report

    Read more SIDN's Annual Report