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.
LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt
Let’s Encrypt is a free open Certificate Authority.
Root Authority
Common Name Invalid Usage Statistics · Download List of All Websites using Common Name Invalid
The Common Name/SAN value of this websites SSL certificate does not correspond to the domain name.
Internet Cz Usage Statistics · Download List of All Websites using Internet Cz
Network infrastructure from Internet Cz based in the Czech Republic.
Czech hosting
OzServers Usage Statistics · Download List of All Websites using OzServers
Oz Servers Pty Ltd was established in early 2000 with the aim of bringing dedicated servers to the Australian marketplace.
Australian hosting · Dedicated Hosting
WEDOS Internet Usage Statistics · Download List of All Websites using WEDOS Internet
Czech based internet hosting provider.
Czech Server Location Usage Statistics · Download List of All Websites using Czech Server Location
The web server is located in Czech Republic.
Server Location
DNSSEC Usage Statistics · Download List of All Websites using DNSSEC
DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Apache 2.4 Usage Statistics · Download List of All Websites using Apache 2.4
Apache version 2.4.*
Debian Usage Statistics · Download List of All Websites using Debian
Debian is a free operating system (OS) for your computer.
Last technology detected on 14th April 2024. We know of 11 technologies on this page and 2 technologies removed from c21.sk since 11th January 2014. Link to this page.
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