DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

perf1.fr · 152.89.172.56:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=perf1.fr
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Encryption Everywhere DV TLS CA - G2
Valid from
2026-08-18T00:00:00+00:00
Expires
2027-03-04T23:59:59+00:00
Days remaining
165
Serial (hex)
0A19931D6EF0F26B078D415E329BC915
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:perf1.fr

SHA-256 fingerprint

E3:D8:3C:C9:A9:7B:1D:44:87:AE:5C:91:0E:CA:F9:A9:32:2B:69:C1:6D:E6:56:AB:23:84:13:20:19:24:01:56
Certificate extensions & PEM
authorityKeyIdentifier
78:DF:91:90:5F:EE:DE:AC:F6:C5:75:EB:D5:4C:55:53:EF:24:4A:B6
subjectKeyIdentifier
E7:A9:5A:5E:6C:06:99:CC:F0:3F:06:DE:53:D3:0E:0D:DE:F3:F3:76
subjectAltName
DNS:perf1.fr
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/EncryptionEverywhereDVTLSCA-G2.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Aug 18 12:05:45.608 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:43:0B:04:CA:84:21:73:A1:49:BD:5B:DF: BC:F2:CA:23:76:9C:F4:46:A9:A8:8C:F9:6D:E7:C1:5A: 80:62:33:1B:02:20:34:A4:77:7A:C9:63:42:5D:0D:40: DA:12:30:80:83:15:A1:BD:F0:66:B6:05:9C:A0:9A:E1: 06:69:2E:38:3B:5E Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Aug 18 12:05:45.665 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:81:C4:24:B4:F1:08:A0:27:0D:11:D6: EB:4E:0E:AD:42:AD:29:CD:EB:06:15:2E:FC:2E:DD:C4: 38:DE:30:FF:10:02:21:00:B2:D1:24:0F:BD:14:12:81: A7:80:C2:A5:FF:31:FD:9E:03:29:3F:3B:AE:1A:70:85: 43:0A:25:86:E5:D9:A1:06 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Aug 18 12:05:45.784 2026 GMT Extensions: 00:00:05:00:09:79:31:13 Signature : ecdsa-with-SHA256 30:45:02:20:1F:95:FA:8D:AE:94:B5:AA:91:68:B9:FE: AC:7F:16:A9:1B:92:D3:80:D1:A2:95:C9:12:DA:01:7C: 22:41:CD:98:02:21:00:E4:6B:B5:94:15:19:24:00:D4: 04:2A:E0:15:57:FC:14:21:C7:87:64:E6:A9:03:DA:F9: 29:68:68:27:D1:41:C7
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-20T09:54:53+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Encryption Everywhere DV TLS CA - G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-27T12:46:40+00:00
Expires
2027-11-27T12:46:40+00:00
Days remaining
433
Serial (hex)
0DE0FFB5EE62CB61109F608C9CED5ED3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B1:AC:8C:FB:18:1B:9C:93:54:E1:77:5F:CB:DF:CF:E7:89:8C:5C:C9:A1:7D:76:31:5B:57:C1:12:EE:E5:52:34
Certificate extensions & PEM
subjectKeyIdentifier
78:DF:91:90:5F:EE:DE:AC:F6:C5:75:EB:D5:4C:55:53:EF:24:4A:B6
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.1.2 CPS: https://www.digicert.com/CPS Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4135
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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