Firefox Support Forum

Hi,

I have a problem with my Firefox with https://app.powerbi.com which display the following error : "Hmm. We’re having trouble finding that site."

This is not a DNS problem, the website works with an other navigator. I tried :

• Create a new profile
• restart with addons disabled
• Private navigation
• Disable Network.dns.disablePrefetch

The only clue I have is that the dns of this website is a cname of an cname

$ dig A app.powerbi.com ...

ANSWER SECTION:

app.powerbi.com. 2678 IN CNAME app.privatelink.analysis.windows.net.

app.privatelink.analysis.windows.net. 6278 IN CNAME 997de1ee-c405-4364-8b90-eb6f601a6af2.trafficmanager.net. 997de1ee-c405-4364-8b90-eb6f601a6af2.trafficmanager.net. 98 IN CNAME pbi-wfe-france-central-primary.powerbi.com. pbi-wfe-france-central-primary.powerbi.com. 2678 IN CNAME pbi-wfe-france-central-primary-ase.powerbi.com. pbi-wfe-france-central-primary-ase.powerbi.com. 2678 IN CNAME app-pbi-wfe-france-central-primary.pbi-wfe-france-central-primary-ase.p.azurewebsites.net. app-pbi-wfe-france-central-primary.pbi-wfe-france-central-primary-ase.p.azurewebsites.net. 30 IN CNAME waws-prod-par-d629a594.sip.p.azurewebsites.windows.net. waws-prod-par-d629a594.sip.p.azurewebsites.windows.net. 878 IN CNAME waws-prod-par-d629a594.cloudapp.net. waws-prod-par-d629a594.cloudapp.net. 10 IN A 20.188.62.139

Some information :

OS : $ cat /etc/debian_version bullseye/sid

Kernel : $ uname -a Linux 5.9.0-1-amd64 #1 SMP Debian 5.9.1-1 (2020-10-17) x86_64 GNU/Linux

Firefox version : I tried with firefox and firefox-esr ii firefox 75.0-2 amd64 Mozilla Firefox web browser ii firefox-esr 78.3.0esr-2 amd64 Mozilla Firefox web browser - Extended Support Release (ESR)

Thanks, Jonathan

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