protonmail.ch

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

Built with

No platform, CMS or framework detected. Detection is passive: it only sees what a site exposes in its HTML, headers and cookies, so custom or well-hidden stacks show up as nothing rather than as a guess.

Overview

Status

alive

Registered

not looked up yet

First seen here

2026-09-21

Security grade

B (85/100, from headers & TLS)

Privacy score

90/100 (0 third-party script hosts, 0 tracking/marketing services)

Hosting

unknown

Linked to from

18 other sites seen so far

What to fix

1. Mark cookies Secure and HttpOnly
   At least one cookie is sent without these flags, exposing it to interception or scripts.

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

Badge

Show this site's security grade in a README or footer:

<a href="https://webtelemetry.dev/site/protonmail.ch"><img src="https://webtelemetry.dev/badge/protonmail.ch.svg" alt="Security grade"></a>

Generated automatically from passive, publicly observable data. Think something here is wrong or want this profile removed? See /bot. Machine-readable: JSON.