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PHP

PHP Usage Statistics · Download List of All Websites using PHP

PHP is a widely used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

SPF

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.

DKIM

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.

DMARC

DMARC Usage Statistics · Download List of All Websites using DMARC

A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse

DMARC

Cloudflare DNS

Cloudflare DNS Usage Statistics · Download List of All Websites using Cloudflare DNS

DNS services provided by Cloudflare.

DNSSEC

DNSSEC Usage Statistics · Download List of All Websites using DNSSEC

DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.

Digital Ocean

Digital Ocean Usage Statistics · Download List of All Websites using Digital Ocean

SSD VPS hosting environment.

US hosting · VPS Hosting

Apache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.

CentOS

CentOS Usage Statistics · Download List of All Websites using CentOS

CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible.

OpenSSL

OpenSSL Usage Statistics · Download List of All Websites using OpenSSL

The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.