You should email them about the form and about your domain. Their email address is listed on the website. <https://quad9.net/support/contact/ https://quad9.net/

You should email them about the form and about your domain. Their email address is listed on the website. <https://quad9.net/support/contact/ https://quad9.net/support/contact/> Sometimes the upstream blocklist provider will be easy to contact directly as well. Sometimes not so much.