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.
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 10th August 2025. We know of 2 technologies on this page and 9 technologies removed from technical-sys.ca since 21st March 2016. Link to this page.
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