Free Domain Authority Checker Our DA PA Checker is an online SEO toolkit that is designed to help you quickly determine a website's DA (domain authority) and PA (page authority) score using the Moz grading system. This bulk DA PA checker tool works on Moz and Ahrefs Premium APIs to accurately check DA PA, DR UR, ST, SS, and MR in a single click. With the bulk DA PA Checker, you can easily...