SSL checker
Enter a domain to see the details of its HTTPS certificate.
Security
A valid certificate protects visitors
HTTPS encrypts the connection and shows that the site is genuine.
- EncryptionData between visitor and server stays protected.
- TrustBrowsers clearly flag insecure sites.
- Search enginesSecure sites are preferred in rankings.
example.com
Valid until12.03.2027
PreviewTLS 1.3
Lifetime
Keep the expiry date in view
Expired certificates trigger warnings for visitors.
1
Valid until
The exact expiry date at a glance.
2
Days left
Renew in time, before it is too late.
3
Issuer
Shows which authority issued the certificate.
Troubleshooting
Spot typical problems
Many warnings have a simple cause.
01
Wrong name
Covered names do not match the address.
02
Incomplete chain
An intermediate certificate is missing.
03
Old protocol
The result shows protocol and version.