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SPFSPF

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.

Verified CDN

Amazon CloudFrontAmazon CloudFront

Amazon CloudFront Usage Statistics · Download List of All Websites using Amazon CloudFront

Amazon CloudFront delivers your static and streaming content using a global network of edge locations.

Edge Delivery Network