SPF

Download List of All Websites using SPF

   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

Microsoft Office 365

Download List of All Websites using Microsoft Office 365

   Microsoft Office 365 is a Software as a Service (SaaS) solution that includes Microsoft Office and other services, such as email and collaboration, from Microsoft’s cloud server. Microsoft Office 365 provides desktop functionalities and is available by subscription.

Mandrill

Download List of All Websites using Mandrill

   Mandrill is a scalable and affordable email infrastructure service. Mandrill is a paid Mailchimp add-on.

Access-Control-Allow-Origin HTTP Header for ALL Http Requests

Download List of All Websites using Access-Control-Allow-Origin HTTP Header for ALL Http Requests

   The Access-Control-Allow-Origin response header indicates whether the response can be shared with requesting code from the given origin.

HSTS - Browser HTTPS Only for domain and subdomains

Download List of All Websites using HSTS - Browser HTTPS Only for domain and subdomains

   The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for domain and subdomainsfor 15768000 seconds