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.
Hostgator Mail Usage Statistics · Download List of All Websites using Hostgator Mail
World wide leader in web hosting since 2002.
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.
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
Microsoft Azure DNS Usage Statistics · Download List of All Websites using Microsoft Azure DNS
This domain is verified with Microsoft Azure.
Apple iCloud Mail Usage Statistics · Download List of All Websites using Apple iCloud Mail
Webmail service provided by Apple.
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.
Namecheap DNS Usage Statistics · Download List of All Websites using Namecheap DNS
DNS services provided by Namecheap.
Last technology detected on 20th July 2025. We know of 10 technologies on this page and 7 technologies removed from a9const.com since 2nd July 2018. Link to this page.
Add BuiltWith to for free! Get lookups easily and quickly.
Get a notification when a9const.com adds new technologies.
Get a9const.com 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.