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

TLSv1.2

alterway.fr · 89.31.146.84:443

Verified

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

Subject
CN=*.alterway.fr
Issuer
C=FR O=Gandi SAS CN=GandiCert
Valid from
2026-02-16T00:00:00+00:00
Expires
2027-02-16T23:59:59+00:00
Days remaining
110
Serial (hex)
04259542F20A359F0A0772B0D4D5D221
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.alterway.fr, DNS:alterway.fr

SHA-256 fingerprint

A8:1C:7A:62:33:6F:09:02:80:D6:A6:81:91:A0:4C:5C:A6:8A:E7:6D:38:90:74:B0:99:3E:C9:1E:98:B9:C4:13
Certificate extensions & PEM
authorityKeyIdentifier
BA:BB:46:88:45:EC:DD:5A:2B:18:C5:D1:4E:EC:E3:3C:06:52:53:AC
subjectKeyIdentifier
02:0D:5A:84:C5:4F:08:19:72:C2:8E:B7:A6:DD:73:4D:6A:11:39:70
subjectAltName
DNS:*.alterway.fr, DNS:alterway.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
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/GandiCert.crl Full Name: URI:http://crl4.digicert.com/GandiCert.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/GandiCert.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 : Feb 16 12:54:55.485 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:49:1C:88:2D:DA:46:7B:1C:E9:DC:AE:72: 27:BE:C8:72:54:FA:3C:46:B6:8E:A0:5D:26:2C:9C:61: EB:69:A5:CD:02:20:03:FC:7B:FF:DF:D9:2D:98:B8:23: 16:68:42:B2:F4:1A:11:8D:8E:61:9E:B0:02:B8:40:B1: 84:AD:DC:74:9B:DA Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Feb 16 12:54:55.469 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7B:CA:73:FE:7E:5F:8D:F2:DB:7A:E2:B1: 80:F3:A0:8E:67:66:08:B8:E3:8B:AD:E1:B5:59:1E:3E: E5:FD:72:4F:02:21:00:A4:9F:07:30:CF:0F:27:90:C8: 7F:7F:8F:82:82:8D:B4:6E:1D:4A:30:1B:27:0B:D7:EF: FF:2C:18:D4:4E:60:B4 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Feb 16 12:54:55.550 2026 GMT Extensions: 00:00:05:00:02:8B:E5:EE Signature : ecdsa-with-SHA256 30:44:02:20:6A:81:AE:75:C6:32:8F:67:57:D1:C1:C2: CB:E4:A0:95:09:6B:C6:E8:B2:EE:A9:5D:0B:CD:37:B3: E9:11:01:8B:02:20:72:3D:2C:EF:83:3C:87:90:B6:AB: 0B:F6:CD:58:35:F9:E0:14:19:79:B8:C3:64:D3:CF:BB: FA:A1:D0:55:61:D8
-----BEGIN CERTIFICATE-----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MGsGCCsGAQUFBwEBBF8wXTAkBggrBgEFBQcwAYYYaHR0cDovL29jc3AuZGlnaWNl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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-29T03:56:56+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=FR O=Gandi SAS CN=GandiCert
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2024-04-17T00:00:00+00:00
Expires
2034-04-16T23:59:59+00:00
Days remaining
2726
Serial (hex)
0B9B5E7F6773AE8C643221657CEE67C1
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

33:37:D4:E4:B4:EF:6A:94:F0:49:15:D2:E8:6B:1F:8F:47:A3:C8:36:67:DA:25:19:D9:B9:5A:E7:27:0A:FF:E1
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
BA:BB:46:88:45:EC:DD:5A:2B:18:C5:D1:4E:EC:E3:3C:06:52:53:AC
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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.

View certificate JSON

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