Let's Debug

Test result for onlyoffice.lechambon.fr using http-01

No valid A or AAAA records could be ultimately resolved for onlyoffice.lechambon.fr. This means that Let's Encrypt would not be able to connect to your domain to perform HTTP validation, since it would not know where to connect to.
No A or AAAA records found.

Submitted Mar 15 21:20:05 2023. Sat in queue for 5ms. Completed in 6s. Show verbose information.