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.
Amazon Route 53 Usage Statistics · Download List of All Websites using Amazon Route 53
Amazon's scalable DNS web service system.
Enterprise DNS
Fastly Hosted Usage Statistics · Download List of All Websites using Fastly Hosted
Hosted at Fastly
US hosting
Fastly Load Balancer Usage Statistics · Download List of All Websites using Fastly Load Balancer
Hosted on Fastly's Load Balancing system.
IPv6 Usage Statistics · Download List of All Websites using IPv6
The website has an IPv6 record.
Last technology detected on 23rd April 2025. We know of 5 technologies on this page and 5 technologies removed from returnpath.org since 11th January 2014. Link to this page.
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