$ curl -I --resolve cactuscode.org:443:185.199.108.153 https://cactuscode.org/
curl: (60) SSL: no alternative certificate subject name matches target host name 'cactuscode.org'

curl -I --resolve www.cactuscode.org:443:185.199.108.153 https://www.cactuscode.org/
HTTP/2 200
server: GitHub.com
content-type: text/html; charset=utf-8
last-modified: Thu, 03 Jun 2021 17:52:12 GMT
access-control-allow-origin: *
etag: "60b916cc-162d"
expires: Thu, 03 Jun 2021 18:07:53 GMT
cache-control: max-age=600
x-proxy-cache: MISS
x-github-request-id: B928:072C:1DF684:3BFC8C:60B91821
accept-ranges: bytes
date: Thu, 03 Jun 2021 17:58:04 GMT
via: 1.1 varnish
age: 11
x-served-by: cache-pwk4948-PWK
x-cache: HIT
x-cache-hits: 1
x-timer: S1622743085.638120,VS0,VE1
vary: Accept-Encoding
x-fastly-request-id: 2995efdb1d35c95f3fd3b967d71a0fb3d980e170
content-length: 5677