What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
If I understand you correctly, you would like to use a custom domain for your URL. Instead of using jotform.com you would like to use something else.
You can use another domain, but you require to adjust your DNS on your server, How to use Custom Domains with Jotform.
Please let us know if this helps.