List of registrars
| name registrar | town | country | website |
| IT-Works | Leeuwarden | NL | www.regeljeenum.nl |
| Protagonist | Rotterdam | NL | www.protagonist.nl |
| SURFnet BV | Utrecht | NL | www.surfnet.nl |
| Maezenet BV | Maassluis | NL | www.voipplanet.nl |
| Domain Services Rotterdam | Rotterdam | NL | www.tellus.nl |
| Divi Systems Ltd. | Almere | NL | www.divisystems.com |
| Networking4all BV | Emmen | NL | www.networking4all.com |
| Instra Corporation (europe) Ltd | Bristol | UK | www.instra.com |
| Signet B.V. | Son | NL | www.signet.nl |