Email Hosting Providers

SPFSPF

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.

DMARCDMARC

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 RejectDMARC Reject

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.

Web Hosting Providers
Verified CDN

OVH AnyCastOVH AnyCast

OVH AnyCast Usage Statistics · Download List of All Websites using OVH AnyCast

Content hosted on an AnyCast load balanced IP address from OVH.

Web Master Registration

Google WebmasterGoogle Webmaster

Google Webmaster Usage Statistics · Download List of All Websites using Google Webmaster

Webmaster tools provide you with a free and easy way to make your site more Google-friendly.

Profile Details

Last technology detected on 5th July 2025. We know of 11 technologies on this page and 79 technologies removed from e21sas.fr since 21st April 2017. Link to this page.

Add BuiltWith to for free! Get lookups easily and quickly.

Get a notification when e21sas.fr adds new technologies.

Get e21sas.fr profile as an XML, JSON, CSV or XLSX via the Domain API.

Suggest a Technology

Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.