Is my server compromised. "no information fount to solve challege for identifier" of unknown host

1. The problem I’m having:

I’m start seeing this in my caddy logs

caddy_1         | {"level":"error","ts":1709731835.27977,"logger":"http","msg":"looking up info for HTTP challenge","host":"my.sofacompany.com","error":"no information found to solve challenge for identifier: my.sofacompany.com"}

I don’t recognize this domain: “my.sofacompany.com

2. Error messages and/or full log output:

see logs above

3. Caddy version:

v2.6.1 h1:EDqo59TyYWhXQnfde93Mmv4FJfYe00dO60zMiEt+pzo=

4. How I installed and ran Caddy:

a. System environment:

Via docker

c. Service/unit/compose file:

services:
caddy:
  image: caddy:2.6.1
  restart: unless-stopped

That’s quite an old version. Please upgrade to the latest, v2.7.6

These logs are harmless. It might be some bots/crawlers hitting your server at /.well-known/acme-challenge with weird hostnames to try to find out some information. Don’t worry, this is normal, bots do weird things.

Cool, thanks a lot

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