Slack Usage Statistics · Download List of All Websites using Slack
Messaging app for teams that makes working together simple and efficient.
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.
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
HSTS IncludeSubdomains PreLoad Usage Statistics · Download List of All Websites using HSTS IncludeSubdomains PreLoad
This website includes instructions for HSTS loading that would allow it to be submitted to the HSTS preload list.
SSL by Default Usage Statistics · Download List of All Websites using SSL by Default
The website redirects traffic to an HTTPS/SSL version by default.
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.
IPv6 Usage Statistics · Download List of All Websites using IPv6
The website has an IPv6 record.
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Last technology detected on 6th March 2025. We know of 10 technologies on this page and 2 technologies removed from professionalyear.com since 7th March 2019. Link to this page.
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