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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

hankooktire.com · 54.180.207.82:443

Verified

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

Subject
C=KR ST=Gyeonggi-do L=Seongnam-si O=HANKOOK TIRE & TECHNOLOGY CO.,LTD. CN=*.hankookn.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2025-12-05T00:00:00+00:00
Expires
2026-12-30T23:59:59+00:00
Days remaining
59
Serial (hex)
0E47EB7A049D11DDEBF54DDFD40C9CC3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.hankookn.com, DNS:hankookn.com, DNS:*.hankooktech.com, DNS:hankooktech.com, DNS:*.hankooktire.com, DNS:hankooktire.com

SHA-256 fingerprint

64:52:09:A2:E2:8A:89:14:47:E8:57:F7:97:1F:41:FA:F4:2A:67:98:D8:ED:A5:1D:49:72:26:92:A9:A6:DB:03
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
8C:4E:B2:F8:D1:D6:DD:0E:6E:C0:AC:7E:45:4E:28:C3:0A:22:47:B0
subjectAltName
DNS:*.hankookn.com, DNS:hankookn.com, DNS:*.hankooktech.com, DNS:hankooktech.com, DNS:*.hankooktire.com, DNS:hankooktire.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 : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Dec 5 04:23:57.624 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:44:F7:CE:4D:06:06:31:7A:B5:9C:9A:A2: F3:BB:16:23:0C:5C:16:CA:05:79:53:9F:21:A0:61:B7: C2:DF:81:CE:02:21:00:B6:48:44:A5:3E:1F:12:A4:AF: D8:11:25:39:7F:A1:44:8A:75:3B:5C:BC:F0:67:D7:54: AC:9F:BB:F6:19:02:1D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Dec 5 04:23:57.844 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:23:71:EF:FD:50:E4:A8:32:A9:E0:BB:03: 37:0F:85:C7:14:B5:13:52:69:7F:1B:03:1A:DC:BB:7A: F6:82:5F:FC:02:21:00:FB:91:F8:47:E0:BF:50:2D:9F: 1A:E0:07:F0:DD:DD:93:B9:85:D6:1E:43:AC:1B:29:43: 46:71:9B:70:0B:34:E6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Dec 5 04:23:57.668 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DD:C6:00:B3:FD:19:6E:18:58:05:FE: A7:B3:8F:D9:DC:D1:BA:7E:BF:16:E9:2D:1F:14:1D:4E: B3:4D:F4:66:D4:02:20:0B:A9:FB:B0:FE:E0:0D:08:E8: 95:E4:33:F7:7D:49:7D:F6:38:C1:07:02:B1:EF:0A:66: 57:DF:81:8D:16:85:99
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-01T19:40:31+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
365
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
4092
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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