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.
Yandex DNS Usage Statistics · Download List of All Websites using Yandex DNS
Yandex hosted DNS.
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Apache 2.2 Usage Statistics · Download List of All Websites using Apache 2.2
Apache version 2.2.*
Last technology detected on 5th May 2025. We know of 4 technologies on this page and 19 technologies removed from t4u.su since 28th February 2013. Link to this page.
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