posteo.de

Email green, secure, simple and ad-free - posteo.de -

Overview

• Status: alive
• First seen: 2026-09-22
• Last crawled: 2026-09-22
• Security grade: A (100/100)
• TLS certificate expires: 2027-02-24
• Inbound links seen: 19

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

Detected technology

Infrastructure: Apache

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