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.
DNSSEC Usage Statistics · Download List of All Websites using DNSSEC
DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.
403 Error Usage Statistics · Download List of All Websites using 403 Error
The website returned a 403 Forbidden error message and wasn't identified as parked at the time. This does not mean we are not able to index technologies.
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Last technology detected on 8th December 2024. We know of 4 technologies on this page and 36 technologies removed from nummer19.nl since 15th September 2013. Link to this page.
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