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.
LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt
Let’s Encrypt is a free open Certificate Authority.
Last technology detected on 9th January 2020. We know of 2 technologies on this page and 11 technologies removed from sos.dk since 19th November 2017. Link to this page.
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