.nl and more

.nl domain name

Information about registering and updating .nl domain names and about making a complaint. You also find information about registrars.

SIDN services

SIDN does more than look after .nl. We provide registry services, a domain name surveillance service and trust framework management services.

Internet security

SIDN monitors and protects .nl. Read about what you can do yourself to protect your domain name, e.g. with DNSSEC, DBS or .nl Control.

Knowledge and development

Information about how the internet is organised, as well as our publications and presentations, plus statistics about .nl. Also innovation news from SIDN Labs.


SIDN Labs is SIDN's R&D team. We develop and evaluate new technologies and systems

About SIDN

We tell you who we are, what we stand for and about our community involvement. How to become a SIDN affiliate. As well as details of vacancies at SIDN.


.nl domain names


DNSSEC .nl domain names