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.
DMARC Usage Statistics · Download List of All Websites using DMARC
A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse
DMARC
CenturyLink Usage Statistics · Download List of All Websites using CenturyLink
Hosting services from large telecom company CenturyLink. Now known as Lumen.
US hosting
Savvis Usage Statistics · Download List of All Websites using Savvis
Enterprise level hosting for media, government, financial, software and retailers. Now owned by CenturyLink.
Last technology detected on 2nd October 2024. We know of 4 technologies on this page and 15 technologies removed from block.win since 19th June 2017. Link to this page.
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