Unauthorized DNS change - no trace in logs

What is the name of the domain?

schpolnoc.pl

What is the error number?

na

What is the issue you’re encountering

DNS record changed - no trace how

What are the steps to reproduce the issue?

Checked URL
https://schpolnoc.pl
Root cause
HTTP 404 - Not Found
Incident started at
2024-09-24 21:49:26

please delete the topic

Seems like DNS configured correctly but CF not proxying properly
https://schpolnoc.pl/test.txt - this file is uploaded just now - not visible

any ideas?
no changes on CF, hosting, domain DNS side from yesterday