Hi Peter,
Do you mean that you want to host a site with us and use your own domain name? In this case please follow the instructions:
https://nicepage.com/doc/1293/assign-a-domain
...................................................
Sincerely,
Hella
Nicepage Support Team
Please subscribe to our YouTube channel: http://youtube.com/nicepage?sub_confirmation=1
Follow us on Facebook: http://facebook.com/nicepageapp