LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt
Let’s Encrypt is a free open Certificate Authority.
Root Authority
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
HSTS IncludeSubdomains PreLoad Usage Statistics · Download List of All Websites using HSTS IncludeSubdomains PreLoad
This website includes instructions for HSTS loading that would allow it to be submitted to the HSTS preload list.
SSL by Default Usage Statistics · Download List of All Websites using SSL by Default
The website redirects traffic to an HTTPS/SSL version by default.
Cloudflare DNS Usage Statistics · Download List of All Websites using Cloudflare DNS
DNS services provided by Cloudflare.
DNSSEC Usage Statistics · Download List of All Websites using DNSSEC
DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.
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.
Sender ID Usage Statistics · Download List of All Websites using Sender ID
Sender ID is an anti-spoofing email framework heavily based on SPF.
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
DMARC Reject Usage Statistics · Download List of All Websites using DMARC Reject
The domain has a DMARC policy of 'Reject'. This policy tells the mail server to reject emails that fail DMARC checks, preventing them from being delivered at all.
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.
Last technology detected on 21st March 2025. We know of 11 technologies on this page and 31 technologies removed from 722.cz since 11th January 2014. Link to this page.
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