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by nl 3498 days ago
Are you sure that's what happening?

I suspect you maybe seeing resolution to Google's edge network. This isn't modification - it is how DNS is designed to work.
1 comments
Willox 3497 days ago
What feature of DNS allows this? I'm probably wrong if that's the case.

Perhaps I'll check some other domains too.

link
giovannibajo1 3497 days ago
https://tools.ietf.org/html/rfc7871
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nl 3495 days ago
That's an extension to let you use Google's DNS servers and still have CDNs work.

Without it the functionality described above will just work - it's only when you are using an unusual DNS setup that the extension is needed.

link