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.
Level 3 Communications Usage Statistics · Download List of All Websites using Level 3 Communications
CDN and data delivery network
US hosting
Domain Not Resolving Usage Statistics · Download List of All Websites using Domain Not Resolving
This domain or subdomain is not resolving to an IP.
Domain Server Failed Usage Statistics · Download List of All Websites using Domain Server Failed
This domain is failing when we are trying to resolve it to an IP address. This could be a DNSSEC issue, a DNS resolver configuration issue with the domain, intentional blocking or lame delegation (non-authoritative DNS for domain).
Amazon Route 53 Usage Statistics · Download List of All Websites using Amazon Route 53
Amazon's scalable DNS web service system.
Enterprise DNS
Last technology detected on 28th March 2025. We know of 7 technologies on this page and 62 technologies removed from regnow.net since 28th February 2013. Link to this page.
Add BuiltWith to for free! Get lookups easily and quickly.
Get a notification when regnow.net adds new technologies.
Get regnow.net 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.