This response is confirmed to be from a "Bomgar/Beyond Trust" appliance:
curl -Ii https://supportusa.skidata.com
HTTP/2 200
date: Thu, 21 Oct 2021 16:26:44 GMT
server: Apache
expires: Thu, 19 Nov 1981 08:52:00 GMT
pragma: no-cache
cache-control: no-cache, no-store
set-cookie: ns_s=4fd67cf919fa3a6d9261961c30888faf; path=/; secure; HttpOnly; SameSite=lax
strict-transport-security: max-age=31536000
vary: X-Requested-With
x-ua-compatible: IE=edge
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
permissions-policy: accelerometer=(), autoplay=(), camera=(), encrypted-media=(), fullscreen=(self), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), picture-in-picture=(), sync-xhr=(), usb=()
referrer-policy: strict-origin-when-cross-origin
x-permitted-cross-domain-policies: none
content-type: text/html; charset=utf-8