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.
SSL by Default Usage Statistics · Download List of All Websites using SSL by Default
The website redirects traffic to an HTTPS/SSL version by default.
Last technology detected on 10th September 2019. We know of 2 technologies on this page and 1 technologies removed from tsinghua.edu.cn since 18th May 2014. Link to this page.
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