|Founded:||April 25, 1996|
|Headquarters:||Utrechtseweg 310 6812 AR Arnhem|
| Roelof Meijer, CEO|
Erwin Heringa, System Engineer
Stichting Internet Domeinregistratie Nederland - SIDN provides registry services in Netherlands for .nl domains. It is ICANN accredited and is responsible for issuing all Dutch domain names. It has around 1900 registrars and ISPs operating under it. .nl is considered world's fourth largest and safest ccTLD with over 4 million domain names. SIDN is having some issues regarding implementation of IPv6. ICANN signed Accountability Framework for .nl TLD with SIDN in 2007.
In English SIDN means Netherlands Domain Registration foundation.