The contact information is:
Sponsoring Organisation
SIDN (Stichting Internet Domeinregistratie Nederland)
P.O. Box 5022
Arnhem 6802 EA
Netherlands
Administrative Contact
Managing Director
SIDN (Stichting Internet Domeinregistratie Nederland)
P.O. Box 5022
Arnhem 6802 EA
Netherlands
Email: admin@sidn.nl
Voice: +31 26 3525500
Fax: +31 26 3525505
Technical Contact
Manager ICT
SIDN (Stichting Internet Domeinregistratie Nederland)
P.O. Box 5022
Arnhem 6802 EA
Netherlands
Email: tech@sidn.nl
Voice: +31 26 3525500
Fax: +31 26 3525550