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.
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.
One.com DNS Usage Statistics · Download List of All Websites using One.com DNS
DNS Services provided by One.com.
Caddy Usage Statistics · Download List of All Websites using Caddy
Caddy is a modern HTTP/2 webserver, with built-in Let's Encrypt support.
Robots Disallow Usage Statistics · Download List of All Websites using Robots Disallow
A robots disallow all directive with no other options.
Last technology detected on 9th July 2025. We know of 7 technologies on this page and 4 technologies removed from js.no since 25th August 2019. Link to this page.
Add BuiltWith to for free! Get lookups easily and quickly.
Get a notification when js.no adds new technologies.
Get js.no profile as an XML, JSON, CSV or XLSX via the Domain API.
Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.