Email Hosting Providers

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.

DKIMDKIM

DKIM Usage Statistics · Download List of All Websites using DKIM

DomainKeys Identified Mail provides a method for validating a domain name identity that is associated with a message through cryptographic authentication.

Web Servers

nginxnginx

nginx Usage Statistics · Download List of All Websites using nginx

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

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Last technology detected on 1st August 2025. We know of 6 technologies on this page and 90 technologies removed from mainframe-blog.org since 28th February 2013. Link to this page.

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