=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
content-type: image/jpeg
content-length: 1400
date: Thu, 08 Jun 2023 15:34:46 GMT
cf-ray: 7d42336bb82d05b9-IAD
accept-ranges: bytes
access-control-allow-origin: *
cache-control: public, no-transform, immutable, max-age=2592000
etag: &quot;8c3b7fcd48960a30ce5ac522bed57adf&quot;
last-modified: Wed, 14 Oct 2020 09:28:53 GMT
access-control-expose-headers: Content-Length,ETag,Server-Timing,Vary,x-content-type-options
server-timing: cld-cloudflare;mitm=z;dur=70;start=2023-06-08T15:34:46.365Z;desc=miss,rtt;dur=2;cloudinary;dur=53;start=2023-06-08T15:34:46.380Z
timing-allow-origin: *
x-content-type-options: nosniff
server: cloudflare
vary: Accept-Encoding
x-cache: Miss from cloudfront
via: 1.1 42b10ce0efa243af420d08c395787242.cloudfront.net (CloudFront)
x-amz-cf-pop: LAX50-C2
x-amz-cf-id: pE0Ly64MWjU0HOv2_-k8AhAeVOrZq_ObMU5WhKbU2z3uTlRecfrjRA==

Request headers
================
HEAD /image/twitter_name/w_36/QTRResearch.jpg HTTP/2
Host: cdn.substack.com
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.34 Safari/537.36
accept: */*
referer: https://cryptogrizz.com
connection: close


Link is valid.