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 Analyzer Usage Statistics · Download List of All Websites using DMARC Analyzer
Mimecast owned DMARC analyzing solution.
DMARC
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 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.
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).
Last technology detected on 9th June 2025. We know of 6 technologies on this page and 2 technologies removed from mathtools.org since 25th September 2021. Link to this page.
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