Check Detail
gmail.com · SSL
Passed
Grade A
100.0%
Result Detail
SSL| Check name | Status | Value |
|---|---|---|
| certificate chain is complete | ✅ Passed | 4 |
| root CA is trusted | ✅ Passed | Trusted |
| cert valid for | ✅ Passed | 66 |
| chain certs are valid until | ✅ Passed | 03.12.2026 |
| CN matches Domainname | ✅ Passed | gmail.com |
| certificate subject | ✅ Passed | CN=gmail.com |
| certificate issuer | ✅ Passed | C=US, O=Google Trust Services, CN=WE2 |
| signature algorithm | ✅ Passed | ecdsa-with-SHA256 |
| TLS protocol | ✅ Passed | TLSv1.3 TLS_AES_256_GCM_SHA384 |
| Subject Alternative Names | ✅ Passed | gmail.com, *.gmail.com |
| Public Key | ✅ Passed | EC 256 |
Certificate chain
| # | Common name | Issuer | Valid until | CA |
|---|---|---|---|---|
| 0 | gmail.com | C=US, O=Google Trust Services, CN=WE2 | 03.12.2026 20:23:24 | No |
| 1 | gmail.com | C=US, O=Google Trust Services, CN=WE2 | 03.12.2026 20:23:24 | No |
| 2 | WE2 | C=US, O=Google Trust Services LLC, CN=GTS Root R4 | 20.02.2029 15:00:00 | Yes |
| 3 | GTS Root R4 | C=BE, O=GlobalSign nv-sa, OU=Root CA, CN=GlobalSign Root CA | 28.01.2028 01:00:42 | Yes |
TLS details
| Negotiated protocol | TLSv1.3 |
|---|---|
| Cipher suite | TLS_AES_256_GCM_SHA384 (256 bit) |
| Cipher version | TLSv1.3 |
| Perfect Forward Secrecy | Attention |
| Earliest chain expiry | 03.12.2026 20:23 |
Fingerprints
| SHA-256 | A3:56:D5:93:6A:FA:E1:ED:7B:D6:9D:51:D7:BC:79:C4:A8:A0:87:2B:4F:C7:81:77:9E:75:6E:9E:02:77:C5:D9 |
|---|---|
| SHA-1 | B5:09:98:D4:4D:35:FA:78:E2:B2:F1:0C:F7:0F:9F:58:98:69:F5:AA |
Revocation
OCSP URLs
—
CRL URLs
Full Name:
URI:http://c.pki.goog/we2/yK5nPhtHKQs.crl
Issuer URLs (AIA)
http://i.pki.goog/we2.crt
OCSP Must-Staple
No
Trust evaluation
Attempted: Yes
Trusted: Yes
OpenSSL diagnostic command
openssl s_client -connect gmail.com:443 -servername gmail.com