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Frequently visited

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  • The details registered about me/my company are incorrect or out of date.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

Register for the SIDN TechTalk on 16 April

2 fascinating speakers, a free dinner and a drink at the end.

  • Tuesday 5 March 2024

On Tuesday 16 April, we will organise another TechTalk! It's the familiar format: 2 fascinating speakers talking on proper tech subjects, plus an enjoyable meal. Come to the SIDN TechTalk and be inspired! Places are limited, so we recommend registering soon.

SIDN operates at the heart of the Dutch internet. Often in partnership with universities and other higher education centres. And often participating in national and international working groups concerned with abuse, security and data. We also maintain close ties with a variety of technical and other bodies in the Netherlands. As a result, we have expertise in many key fields, which we love to share with the internet community.

Who's TechTalk for?

Technical professionals and students from the Arnhem region who are passionate about their field, open to new developments and keen to share their knowledge.

Programme

18:00 – 19:00: Reception

Don't go eating before you arrive! The programme includes an enjoyable, free evening meal.

19:00 – 19:45: Talk 1

A testbed to evaluate post-quantum algorithms for DNS - Elmer Lastdrager (SIDN Labs)

DNS is a fundamental protocol on the Internet to translate domain names into IP addresses. It is secured by DNSSEC, an extension that provides authentication and integrity through the use of cryptographic signatures. The possible arrival of quantum computers threatens the security of DNSSEC, which is why cryptographic algorithms (post-quantum cryptography, PQC) are being developed that are safe for quantum computers. SIDN Labs is working on a testbed in which developers, network researchers and DNS operators can experiment with these PQC algorithms and DNSSEC. Ultimately, the aim is to evaluate existing post-quantum cryptographic algorithms developed by developers for use in DNS. In this presentation, we discuss some of the challenges and our progress in setting up a PQC testbed for DNS.

About Elmer

Dr.ir. Elmer Lastdrager works as a Research Engineer for SIDN Labs and investigates the challenges in applying post-quantum cryptography for the DNS.

19:45 - 20:30: Talk 2

Ready for Quantum - Roland van Rijswijk-Dei (University of Twente)

Description of the presentation follows.

About Roland

Professor Doctor Roland van Rijswijk-Deij, is professor of Network Security at the University of Twente and scientific director of the Twente University Centre for Cybersecurity Research - TUCCR.

20:30 – 21:00: Chat and refreshments

Where is it?

At our offices in Arnhem. Address: Meander 501, 6825 MD Arnhem, The Netherlands

What does it cost?

Nothing!

Language

The presentations will be made in Dutch.

Interested?

  • If you want to attend our TechTalk, you must register for the event on Meetup. We only have space for 60 participants! So register soon to avoid missing out on the SIDN TechTalk on 16 April.

  • Join our Meetup group for news of all our upcoming TechTalks.

Interested?

If you want to attend our TechTalk, you must register for the event on Meetup. We only have space for 60 participants! So register soon to avoid missing out on the SIDN TechTalk on 16 April.

Join our Meetup group for news of all our upcoming TechTalks.

Registration/cancellation

The SIDN TechTalk is a free event. However, organising it does cost money. If you've registered but find you can't make it, please let us know promptly, so we can give your place to someone else.