Domain Tools
SSL Certificate Checker
Verify any domain's SSL certificate status. Check validity, issuer, expiry date, and security grade — critical for email deliverability and sender reputation.
Why Check SSL Certificates?
SSL certificates encrypt data between your website and visitors. For sales teams, a valid SSL is crucial because email providers check your sending domain's SSL status as part of deliverability scoring.
- •Expired SSL = lower sender reputation
- •Invalid SSL = potential phishing flags
- •Modern TLS 1.3 = fastest, most secure protocol