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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  • The details registered about me/my company are incorrect or out of date.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.

More frequently asked questions

SIDN's Supervisory Board appoints Loek Bakker as CTO

Loek will start on 1 September

  • Monday 28 August 2023

The Supervisory Board has appointed Loek Bakker as SIDN's new Chief Technology Officer (CTO). He will join SIDN's Executive Board, with effect from 1 September.

Portrait photo of Loek Bakker, CTO at SIDN
Loek Bakker, CTO at SIDN

Loek Bakker has more than 20 years of management and consultancy experience gained in roles at the interface between business and IT. He has previously held positions at TenneT, Alliander, Gartner, Capgemini and elsewhere. During his career, he has worked in fields such as IT strategy and architecture, digital transformation, cybersecurity, governance, people management and talent development.

"With the appointment of Loek Bakker, SIDN is gaining an experienced CTO who can assure the technical modernity of SIDN's systems, enhance the organisation's IT innovation capabilities, and reinforce SIDN's national and international role and position," said Marjet van Zuijlen, Chair of SIDN's Supervisory Board.

As the 'Dutch sector of the internet', the .nl domain is essential to the society and economy of the Netherlands. Ensuring that the domain always works is therefore vital. To that end, SIDN requires stable and reliable processes, the latest proven technology and high levels of cybersecurity. The CTO has ultimate responsibility for the availability, confidentiality, integrity and future-readiness of SIDN's IT services, and for the logical security of the organisation's IT systems and data.