Http_check takes 3 seconds- with curl only some milliseconds


maybe someone can help me with that:

The http_check takes 3 seconds. With curl it does take only some milliseconds… How to debug this?

CMK version: Checkmk Cloud Edition 2.2.0
OS version: Debian 11

Error message: HTTP CRITICAL: HTTP/1.1 200 OK - 3089 bytes in 3.135 second response time