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.
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
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.
Dutch Server Location Usage Statistics · Download List of All Websites using Dutch Server Location
The web server is located in the Netherlands.
Server Location
IPv6 Usage Statistics · Download List of All Websites using IPv6
The website has an IPv6 record.
LiteSpeed Usage Statistics · Download List of All Websites using LiteSpeed
LiteSpeed web server is a high performance, highly scalable Apache interchangeable web server.
Last technology detected on 8th April 2024. We know of 7 technologies on this page and 11 technologies removed from yellowhead.nl since 11th January 2014. Link to this page.
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