Let's Debug

Test result for nazwa.pl using http-01

No CAA record on nazwa.pl (wildcard=false) contains the issuance domain "letsencrypt.org". You must either add an additional record to include "letsencrypt.org" or remove every existing CAA record. A list of the CAA records are provided in the details.
nazwa.pl. 0 IN CAA 0 issue "certum.pl"
nazwa.pl. 0 IN CAA 0 issue "sectigo.com"

Submitted Mar 19 15:26:36 2023. Sat in queue for 3ms. Completed in 1s. Show verbose information.