On the home page, "For more detailed information take a look at the specification." links to https://www.domainverification.org/spec which is a 404.

`dig 4i7ozur385y5nsqoo0mg0mxv6t9333s2rarxrtvlpag1gsk8pg._dv.dvexample.com TXT` returns: ;; ANSWER SECTION: 4i7ozur385y5nsqoo0mg0mxv6t9333s2rarxrtvlpag1gsk8pg._dv.dvexample.com. 0 IN TXT "@dv=1;d=Example user emali;e=2025-01-01;s=[seo;email;marketing;storage;security];p=[serviceprovider1.com];sn=[service.serviceprovider.com];h=4i7ozur385y5nsqoo0mg0mxv6t9333s2rarxrtvlpag1gsk8pg"

There's a typo in "Example user emali".

These simple mistakes don't engender confidence in the proposal.