Quote:
Originally Posted by Paul M
Sorry, but DNS has absolutely nothing to do with download speeds at all.
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Quote:
Originally Posted by pip08456
DNS has nothing to do with attainable speeds.
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Uhhhh, not
quite.
It's true that DNS only plays a very small (but extremely important) part in your download - by translating a domain name to a resolved IP address, however it can definitely affect your download speeds if it gives you a non-optimal geographical CDN endpoint.
In other words, say you want to download a file and that file is on a CDN. Chances are there's a CDN endpoint near you, either London or Manchester (or both!) but there's likely CDN endpoints all over the world as well. Ideally, you want your DNS lookup to point you at the CDN closest to you to get the best (hopefully full) speeds, but there's a chance (and Google's DNS definitely
used to have this problem) that it'll instead resolve to a CDN endpoint in another country entirely. This is definitely going to affect your download speeds.
Having said that, Cloudflare
is a CDN provider so I suspect they shouldn't have this issue, at least for content that's on a Cloudflare CDN.
It would depend entirely on what and where content is being downloaded from.