Use your ISPs official DNS so that you get the shortest path possible from the ISPs handoff location to the CDN (and overseas trunks), not a generic DNS that doesn’t know about your ISPs layout.
ISP: 1ms to Cloudflare
Cloudflare: 10ms to Cloudflare
Thank you for your attention to this matter.
Edit: will clarify, this advice applies to countries with good privacy laws and no national surveillance i.e. not the USA
ISP: 1ms to Cloudflare
Cloudflare: 10ms to Cloudflare
Thank you for your attention to this matter.
Edit: will clarify, this advice applies to countries with good privacy laws and no national surveillance i.e. not the USA