When requests pass through Akamai, you should see headers like:
X-Akamai-Request-ID - Unique request identifierX-Cache - Cache hit/miss statusX-Cache-Key - Cache key usedX-Check-Cacheable - Whether response is cacheableThis origin server adds custom headers:
X-Origin-Server - Origin hostnameX-Request-ID - Origin request identifierUsing curl:
curl -I https://origin.ztream.se/
Using browser DevTools:
F12 → Network tab → Select request → Headers