Cloudflare blocking request, no logs under security

Hey, im running a uptime monitor service on a digitalocean vps and cloudflare seems to be blocking any requests that go from that vps to my website. Curling my website on the vps gives me the following:
curl -D - -s https://mathiskirchner.de/ | head -25
HTTP/2 403
server: Varnish
retry-after: 0
accept-ranges: bytes
date: Mon, 08 Dec 2025 14:13:00 GMT
via: 1.1 varnish
x-served-by: cache-fra-eddf8230046-FRA
x-cache: MISS
x-cache-hits: 0
x-timer: S1765203181.552693,VS0,VE0
x-last-60s-hits: 2
content-length: 0

Can i somehow tell if my website (its a portfolio site running through adobe portfolio) or cloudflare does the blocking?
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