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 Quarantine Usage Statistics · Download List of All Websites using DMARC Quarantine
The domain has a DMARC policy of 'Quarantine'. This tells the receiving mail server that all emails that do not have your domain name in the “From” field (or any other set criteria) should be quarantined by default.
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).
nginx Usage Statistics · Download List of All Websites using nginx
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Last technology detected on 20th June 2025. We know of 6 technologies on this page and 25 technologies removed from luwi.dev since 28th October 2023. Link to this page.
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