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.

Sender IDSender ID

Sender ID Usage Statistics · Download List of All Websites using Sender ID

Sender ID is an anti-spoofing email framework heavily based on SPF.

Web Hosting Providers

NetNamesNetNames

NetNames Usage Statistics · Download List of All Websites using NetNames

UK based online brand protection services, part of Group NBT Ltd.

UK hosting

AptumAptum

Aptum Usage Statistics · Download List of All Websites using Aptum

Aptum is a global provider of hybrid multi-cloud managed services, delivering complex solutions on a high-performance network.

US hosting