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.
Apple iCloud Mail Usage Statistics · Download List of All Websites using Apple iCloud Mail
Webmail service provided by Apple.
Microsoft Azure DNS Usage Statistics · Download List of All Websites using Microsoft Azure DNS
This domain is verified with Microsoft Azure.
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.
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.
GoDaddy Usage Statistics · Download List of All Websites using GoDaddy
Global hosting and domain registration provider led by Bob Parsons.
Dedicated Hosting · Shared Hosting · US hosting · VPS Hosting
Last technology detected on 4th August 2025. We know of 8 technologies on this page and 8 technologies removed from knollenborg.de since 27th June 2016. Link to this page.
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