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

voestalpine.com · 164.3.25.131:443

Verified

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

Subject
C=AT L=Linz O=voestalpine group-IT GmbH CN=*.voestalpine.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2025-12-02T00:00:00+00:00
Expires
2027-01-02T23:59:59+00:00
Days remaining
98
Serial (hex)
0794EB1F232F915A70138837E5F52363
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.voestalpine.com, DNS:voestalpine.com

SHA-256 fingerprint

BC:73:E3:32:86:24:D2:34:AC:B2:F8:3A:67:31:52:1D:35:88:08:F2:29:53:EE:B8:F1:3C:61:71:89:0B:8B:15
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
73:FA:14:F7:80:A9:D4:10:AF:99:A0:F5:6E:A2:48:38:8E:2B:C8:FF
subjectAltName
DNS:*.voestalpine.com, DNS:voestalpine.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.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 : Dec 2 08:31:51.783 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DD:D5:7B:4B:5C:8A:55:86:30:CA:A8: CA:4E:40:AF:66:AD:FE:DB:73:FB:01:23:C8:F5:F8:45: B1:A1:66:68:A5:02:20:28:D2:39:C1:FA:78:EB:C0:A8: C6:21:1B:EC:03:4D:01:EA:C1:EE:BC:6D:B2:20:F1:62: B8:D0:30:A7:25:E6:CF 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 : Dec 2 08:31:51.848 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EE:54:47:14:BE:56:14:B6:F5:89:B4: 5A:DD:08:77:DF:7E:10:39:3F:F5:AF:AA:42:FF:4A:46: 57:E5:B3:5E:15:02:21:00:B3:A8:6A:C0:9C:67:A2:AA: 26:0A:C4:A0:FE:A5:F6:7D:F2:54:A7:E9:18:CE:E9:8A: 59:B3:FB:81:53:CC:E3:6D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Dec 2 08:31:51.815 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A8:DE:92:1D:5C:0D:A9:9B:1F:F0:36: 2C:CE:94:5A:34:22:97:B4:BB:41:8F:80:8D:81:B4:08: 75:BD:BE:45:2C:02:21:00:EA:D6:3A:3E:3D:AC:B7:56: 70:61:37:86:A2:AF:7C:D8:C7:7E:E4:6C:09:79:48:9F: FC:2F:A2:85:68:7C:FD:77
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-26T05:01:22+00:00

Server-presented chain · 2 additional certificates

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
402
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-----

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
4129
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.

View certificate JSON

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