Frameworks

Facebook Domain VerificationFacebook Domain Verification

Facebook Domain Verification Usage Statistics · Download List of All Websites using Facebook Domain Verification

Domain Verification provides a way for you to claim ownership of your domain in Facebook Business Manager.

Email Hosting Providers

ProofpointProofpoint

Proofpoint Usage Statistics · Download List of All Websites using Proofpoint

Proofpoint provides SaaS and on-premises email security, email archiving and data loss prevention solutions for enterprises.

Secure Email

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

Operating Systems and Servers