protonmail.com

Proton Mail: Get a free email account with privacy and encryption | Proton

Overview

• Status: alive
• First seen: 2026-09-22
• Last crawled: 2026-09-22
• Security grade: B (85/100)
• TLS certificate expires: 2026-12-01
• Inbound links seen: 18

Security & email signals

• ✓ HTTPS
• ✓ HSTS
• ✓ Content-Security-Policy
• ✓ X-Content-Type-Options
• ✓ X-Frame-Options
• ✓ Referrer-Policy
• ✗ Permissions-Policy
• ✓ SPF record
• ✓ DMARC record
• ✗ DKIM record
• ✗ Cookies set securely
• ✓ Has real content (not an empty shell)
• ✓ Valid TLS certificate

This profile is generated automatically from passive, publicly observable data. Think something here is wrong or want this profile removed? See /bot.