Really love Zoho's products ! I have 3 questions:

1. What is the Zoho DNS, I will pointing my domain from Godaddy.

2. Kindly see my form, the captcha seems not working. Every time show invalid even has entered the texts correctly. 

3. Was consider build another site with 500 products uploaded, can Zoho Site allow csv or excel bulk upload?

Thank you very much and keep up!