[Isomer]

Using the Resource Timing API: https://www.w3.org/TR/resource-timing/#dom-performanceresour...

This allows you to get accurate timings for every resource the page loaded, including the timeline of DNS request/response for that resource.

[jsjohnst]

Yes, but how do you test different DNS providers? ;)

(Please read the thread for context)

[Isomer]

You'd have to change your nameserver manually unfortunately.

But you could build a good webpage that actually measures how well your current nameserver performs over a wide variety of different types of lookups, both warm and cold caches etc.

[jsjohnst]

> You'd have to change your nameserver manually unfortunately.

Which negates the purpose intended in this thread.

I get it you could sorta hack together a one-off test, but please refer to the context of this thread as mentioned previously.