Umbraco Debug Output:
Request.Scheme: https
Request.Host: frontdoor2-tristancampbellcom.openingthebooktraining.com
X-Forwarded-Host: www.tristancampbell.com
X-Forwarded-Proto:
X-Forwarded-For: 2600:1f28:365:80b0:7fe3:eb79:d6d6:18fb
Model.Url(Absolute): https://frontdoor2-tristancampbellcom.openingthebooktraining.com/