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

sfr.com · 109.24.52.81:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `sfr.com'

Certificate verification failed

Subject
C=FR L=Paris O=SOCIETE FRANCAISE DU RADIOTELEPHONE - SFR S.A. CN=alticefrance.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-10-27T00:00:00+00:00
Expires
2027-05-13T23:59:59+00:00
Days remaining
183
Serial (hex)
037546F1C8C1F8FD0D063C127AE46E12
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:alticefrance.com, DNS:www.alticefrance.com

SHA-256 fingerprint

AC:79:BC:13:95:A2:25:83:81:D4:CA:9B:C7:9D:1D:42:5E:D5:CA:AA:00:D6:BC:75:A7:CC:BC:E8:22:15:10:68
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
82:3D:17:EF:31:48:79:72:B9:C7:22:3D:8A:08:CB:0D:16:BC:BF:82
subjectAltName
DNS:alticefrance.com, DNS:www.alticefrance.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.thawte.com/ThawteTLSRSACAG1-1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.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 : Oct 27 10:20:04.755 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:57:4E:F1:64:41:99:12:A5:00:86:E8:20: C4:01:C7:B0:0E:D9:65:21:AC:B3:1A:FA:AF:3B:00:D2: 40:0A:B6:25:02:21:00:A5:C6:86:67:2B:9C:12:66:E9: E9:FC:2B:AB:74:AB:5F:50:7E:BD:C6:E5:5E:38:01:66: C4:69:8B:E9:CA:FD:B5 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Oct 27 10:20:05.029 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:8C:29:13:BF:35:65:3F:05:CA:8D:FB: 75:A5:D4:E5:D7:1B:33:12:8E:54:D4:B6:51:C1:5B:26: 71:D9:91:8B:C7:02:21:00:E4:61:5C:54:37:77:F1:57: F6:65:1A:AF:44:3B:D3:49:AB:48:48:03:06:74:2C:0D: E5:92:76:45:22:4C:BB:1B 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 : Oct 27 10:20:04.973 2026 GMT Extensions: 00:00:05:00:2F:BD:7B:85 Signature : ecdsa-with-SHA256 30:46:02:21:00:BF:B5:96:3F:A4:F4:DB:0A:A2:E5:83: 08:A9:37:28:05:B6:18:0A:48:5F:75:40:5C:B3:41:4C: 00:9B:DB:97:9C:02:21:00:BB:5A:25:5D:56:E6:F4:65: 4B:19:60:83:70:F3:AC:1C:3B:67:F2:31:B7:CA:B9:F9: F1:0D:4C:5F:70:A7:70:4C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-11T22:05:08+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:25+00:00
Expires
2027-11-02T12:24:25+00:00
Days remaining
355
Serial (hex)
090EE8C5DE5BFA62D2AE2FF7097C4857
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4B:CC:5E:23:4F:E8:1E:DE:4E:AF:88:3A:A1:9C:31:33:5B:0B:26:E8:5E:06:6B:99:45:E4:CB:61:53:EB:20:C2
Certificate extensions & PEM
subjectKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
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: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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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