SPF Usage Statistics · Download List of All Websites using SPF
The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
Microsoft Exchange Online Usage Statistics · Download List of All Websites using Microsoft Exchange Online
A rich hosted Exchange environment for every user without having to manage a server.
Business Email Hosting
Microsoft DNS Usage Statistics · Download List of All Websites using Microsoft DNS
DNS services provided by Microsoft.
Unified Layer Usage Statistics · Download List of All Websites using Unified Layer
Unified Layer is a brand owned by EIG, an owner of over 50 hosting providers.
US hosting
Last technology detected on 29th July 2025. We know of 4 technologies on this page and 4 technologies removed from rex.be since 2nd November 2018. Link to this page.
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