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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.

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Amazon S3 CDN Usage Statistics · Download List of All Websites using Amazon S3 CDN

Amazon S3 is storage for the Internet. It is designed to make web-scale computing easier for developers.

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Last technology detected on 1st April 2020. We know of 6 technologies on this page and 39 technologies removed from natgeo.org since 5th April 2012. Link to this page.

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