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

skcc.com · 203.235.208.49:443

Verified

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

Subject
C=KR ST=Seoul L=Jongno-gu O=SK Inc. CN=*.skcc.com
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2026-06-08T01:41:18+00:00
Expires
2026-12-24T01:41:18+00:00
Days remaining
88
Serial (hex)
108B318AC13E3EC1F83E505C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.skcc.com, DNS:skcc.co.kr, DNS:skax.co.kr, DNS:*.skcc.co.kr, DNS:*.skax.co.kr, DNS:skcc.com

SHA-256 fingerprint

AE:C0:E2:0C:AF:2E:02:2B:50:2F:B1:B9:5F:6E:FC:C4:1E:AC:46:5F:39:9F:25:F8:EE:71:15:F6:E3:51:56:93
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
subjectAltName
DNS:*.skcc.com, DNS:skcc.co.kr, DNS:skax.co.kr, DNS:*.skcc.co.kr, DNS:*.skax.co.kr, DNS:skcc.com
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
47:D7:C8:6C:6E:8F:E8:8F:18:2F:D5:71:62:B0:F0:BE:BB:30:B5:97
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Jun 8 01:41:25.292 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:DF:1E:38:A6:B0:C5:BE:A8:B2:D0:FA: FB:9C:B6:54:12:CC:6A:97:E5:51:04:F0:C7:F2:D0:BA: 01:E3:B5:12:D2:02:21:00:F3:F0:0E:75:50:E3:9E:0A: A7:CF:08:FC:63:84:FB:D0:34:29:EE:F6:EF:7E:B1:C6: 6E:11:36:00:2B:9E:AD:88 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 : Jun 8 01:41:25.258 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E0:EB:69:02:A3:F1:37:91:18:5A:88: E3:04:EF:E1:2A:E1:07:63:4B:42:CF:AE:BF:FF:89:CD: DC:99:F9:E9:A3:02:20:6F:C4:12:C8:A1:EF:8F:2B:83: 7B:7A:3B:36:79:22:F7:9E:F5:2D:2E:6D:47:7F:49:06: AA:FE:57:CA:69:B8:6D 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 : Jun 8 01:41:25.651 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E1:95:17:A6:45:65:D3:7B:DD:B2:37: 05:64:A3:11:68:23:3A:FD:0B:CE:EB:A4:7E:B9:94:9C: D5:6E:F0:C3:95:02:20:74:25:9B:F4:56:F8:AF:04:1A: 71:73:88:CC:2E:66:A7:08:A3:22:C2:F1:44:4A:F4:10: 34:B9:51:CA:1A:28:67
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-26T05:29:15+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
786
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2009-03-18T10:00:00+00:00
Expires
2029-03-18T10:00:00+00:00
Days remaining
904
Serial (hex)
04000000000121585308A2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:B5:22:D7:B7:F1:27:AD:6A:01:13:86:5B:DF:1C:D4:10:2E:7D:07:59:AF:63:5A:7C:F4:72:0D:C9:63:C5:3B
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
-----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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