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

nkcatv.com.tw · 103.25.232.226:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`www.nkcatv.com.tw' did not match expected CN=`nkcatv.com.tw'

Certificate verification failed

Subject
C=TW ST=高雄市 L=高雄市 O=南國有線電視股份有限公司 CN=www.nkcatv.com.tw
Issuer
C=TW O=Chunghwa Telecom Co., Ltd. CN=Chunghwa Telecom GCC R46 OV TLS CA 2025
Valid from
2026-04-30T01:38:53+00:00
Expires
2026-11-15T01:38:53+00:00
Days remaining
41
Serial (hex)
16B8C6440231C3197C0688E4
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.nkcatv.com.tw

SHA-256 fingerprint

9F:77:5D:FF:A8:60:93:4D:39:24:6A:87:0B:C9:6F:0B:C0:77:2D:67:70:6F:4C:9F:49:F2:29:DD:AE:1D:B0:EA
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/chunghwatelecomgccr46ovtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/chunghwatelecomgccr46ovtlsca2025
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.4146.10.1.2 CPS: https://www.globalsign.com/repository/
subjectAltName
DNS:www.nkcatv.com.tw
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F0:31:6B:CB:DF:63:94:AC:40:A4:8F:70:88:0C:78:8E:25:D9:4D:BF
subjectKeyIdentifier
89:B3:F2:56:62:30:38:4A:0D:5F:81:AF:05:C1:59:2C:CC:00:C1:B3
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Apr 30 01:38:58.086 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:76:DF:32:5C:1C:EF:1E:38:93:FF:C3:A3: 97:CE:0E:FA:99:03:0F:B2:7C:7C:7A:71:7A:00:29:6D: 02:6C:6C:FC:02:20:20:24:25:D0:0D:4B:9A:B7:79:55: 7B:E0:8E:69:9D:D2:72:A6:E4:29:34:DC:3C:CC:3A:26: 3F:83:EB:AE:FC:F2 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 : Apr 30 01:38:58.052 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:6E:4A:12:8A:D4:31:62:46:10:E2:E6:A9: 0C:D7:10:7A:E4:5E:8F:B6:DE:F7:DD:71:41:33:FE:92: E5:23:4A:B7:02:20:30:1C:D5:E7:DA:80:97:55:E8:3B: B4:37:55:71:78:29:0D:1E:84:28:48:56:DC:47:30:15: AB:7D:9A:0E:65:1B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Apr 30 01:38:58.114 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:77:B7:35:50:07:38:3F:41:D8:EC:26:15: 23:13:4A:C7:4B:D5:F6:1D:70:38:47:9A:56:8C:DA:E9: CC:5E:85:02:02:20:72:22:F4:77:CE:80:FF:AF:8C:4D: 3B:24:B1:FB:36:8B:05:3E:9A:13:FC:FE:51:22:6C:F7: 1E:27:F6:60:FF:35
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-04T22:12:05+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=TW O=Chunghwa Telecom Co., Ltd. CN=Chunghwa Telecom GCC R46 OV TLS CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-07-16T03:07:40+00:00
Expires
2030-07-16T00:00:00+00:00
Days remaining
1380
Serial (hex)
83DA86FCDF893C3A46EA5923AD9502F9
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

DA:1E:E3:B1:4A:2E:56:2B:EC:2A:D5:E5:43:54:8E:0B:B5:83:29:6E:39:FA:DF:69:A8:A1:3F:30:F0:AC:4D:C5
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F0:31:6B:CB:DF:63:94:AC:40:A4:8F:70:88:0C:78:8E:25:D9:4D:BF
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.4146.10.1.2
-----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

Registration / WHOIS →DNS records →