[Bug 1796979]

[Valentin-gosu]

(In reply to Dragana Damjanovic [:dragana] from comment #17)

> (In reply to Honza Bambas (:mayhemer) from comment #16)
> 
> > Thanks.  Dragana, Michal, Valentin, any ideas what more to check here?
> 
> The only suggestion I have is to run nslookup www.cnn.com when problem occurs.
> You os does not give us a ip address for www.cnn.com, we cannot do much about it.

As a workaround you can try DNSoverHTTPS (also called TRR).
This bypasses the system resolver, and uses an external one.

https://www.ghacks.net/2018/04/02/configure-dns-over-https-in-firefox/
https://daniel.haxx.se/blog/2018/06/03/inside-firefoxs-doh-engine/

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https://bugs.launchpad.net/bugs/1796979

Title:
  Intermittently can't connect to the server

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