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.
Microsoft Exchange Online Usage Statistics · Download List of All Websites using Microsoft Exchange Online
A rich hosted Exchange environment for every user without having to manage a server.
Business Email Hosting
Office 365 Mail Usage Statistics · Download List of All Websites using Office 365 Mail
Email sent from this domain has records showing Office 365 usage.
Barracuda Networks Usage Statistics · Download List of All Websites using Barracuda Networks
Mail hosting by security company Barracude Networks
Secure Email
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 None Usage Statistics · Download List of All Websites using DMARC None
The domain has a DMARC policy of 'None'. A policy of 'none' means this DMARC record will not affect the delivery of email, but it will provide reports on where your outbound email appears to be coming from.
MarkMonitor DNS Usage Statistics · Download List of All Websites using MarkMonitor DNS
Thomson Reuters owned DNS protection system.
U.S. Server Location Usage Statistics · Download List of All Websites using U.S. Server Location
The web server is located in the United States.
Server Location
Last technology detected on 27th April 2025. We know of 9 technologies on this page and 98 technologies removed from doubletreewashington.com since 31st May 2012. Link to this page.
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