| Domain | Registrar | Name Server | Tescil Tarihi | Bitiş Tarihi |
|---|
| KPN.COM | Tucows Domains Inc. | ns1.kpn.net ns11.kpn.net | 19.12.1994 | 18.12.2025 |
| KPN.NET | Tucows Domains Inc. | ns1.kpn.net ns11.kpn.net | 18.05.1997 | 15.10.2021 |
| XS4.COM | Tucows Domains Inc. | ns1.kpn.net ns11.kpn.net | 03.08.1998 | 02.08.2025 |