In the Firefox blog post, they do mention that if ISPs (and other organizations, I suppose) abuse the canary URL, they will re-evaluate their position. So it's

In the Firefox blog post, they do mention that if ISPs (and other organizations, I suppose) abuse the canary URL, they will re-evaluate their position. So it's definitely something they've thought of. https://blog.mozilla.org/futurereleases/2019/09/06/whats-next-in-making-dns-over-https-the-default/ https://blog.mozilla.org/futurereleases/2019/09/06/whats-nex...