HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
ipify is a service which provide public IP address API, IP geolocation API, VPN and Proxy detection API products.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.