76Good

fastmail.com

scanned 4/9/2026 in 1.8s

SSL

Headers

✓

Valid certificate from Let's Encrypt

Expires: 7/1/2026 (82 days)

✓

Protocol: TLSv1.3

Key: 2048 bits

SANs: *.caldav.fastmail.com, *.carddav.fastmail.com, *.fastmail.com, fastmail.com

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!SSL certificate expires in 82 days
!No HSTS header — browsers won't enforce HTTPS

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