Server Error in '/letsencrypt' Application on Azure

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My domain is: app.evodigital.se

I ran this command:

It produced this output:
Exception Details: System.Exception: Unable to complete challenge with Lets Encrypt servers error was: {"type":"http-01","url":"https://acme-v02.api.letsencrypt.org/acme/chall-v3/48874295650/aucLUA","status":"Invalid","validated":"2021-11-13T13:44:51+00:00","error":{"Type":"urn:ietf:params:acme:error:unauthorized","Detail":"Invalid response from https://app.evodigital.se/.well-known/acme-challenge/66OtSeFh5c7Q0jBI0VQXq5htahaYfI1zXK3TiCQ7yfk [2606:4700:3032::ac43:88e2]: "\n\n<!--[if IE 7]> <html class=\"no-js "","Identifier":null,"Subproblems":null,"Status":403},"errors":null,"token”:”,”keyAuthorization":null}

My web server is (include version): Azure

The operating system my web server runs on is (include version): Windows

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don't know): No

I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
Using Azure Portal App Service, Let's encrypt extension to apply SSL binding to the above domain.

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):

Hi @anywhere_dev and welcome to the LE community forum :slight_smile:

I'd start with verifying the IP address.
And then see why the HTTP challenge requests was redirected to:

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