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

tisnet.net.tw · 139.223.200.117:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `tisnet.net.tw'

Certificate verification failed

Subject
CN=*.tisnet.com.tw
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-08-19T00:00:00+00:00
Expires
2027-03-05T23:59:59+00:00
Days remaining
136
Serial (hex)
43377F46BAD2D4539AD0868D068D2AFC
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.tisnet.com.tw, DNS:tisnet.com.tw

SHA-256 fingerprint

47:60:A4:B3:88:BC:01:D1:B5:12:AB:8D:42:91:C0:66:4D:65:DA:40:3B:23:72:BF:5D:3C:B8:04:FA:1D:10:A8
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
5A:E8:A4:0B:DD:34:28:B8:43:6E:2B:E5:1B:15:FC:2F:58:DF:39:07
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.tisnet.com.tw, DNS:tisnet.com.tw
ct_precert_scts
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 : Aug 19 06:02:04.528 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EF:A2:62:12:6D:24:67:5E:D2:B9:2C: 29:15:40:4B:F6:BD:8F:85:1D:4E:C6:01:F6:A2:80:EF: 56:F9:0B:1E:FE:02:21:00:D1:03:0C:B2:62:EA:99:7B: 34:55:F4:2B:96:CE:0F:82:13:03:07:27:BC:09:F9:61: 52:1A:35:2D:4B:78:B2:7A Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Aug 19 06:02:04.784 2026 GMT Extensions: 00:00:05:00:09:9F:21:BC Signature : ecdsa-with-SHA256 30:45:02:21:00:EA:DB:DC:A4:0F:13:C5:4A:41:E9:81: 69:65:C2:C6:2C:55:7A:F2:C0:82:4C:91:AA:34:E4:69: E4:36:48:73:20:02:20:6D:80:5F:E8:97:35:21:1A:D2: C0:91:67:0E:9C:26:BD:61:19:54:F5:B1:69:62:8F:75: 6A:AA:9D:F9:AF:CD:2B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Aug 19 06:02:04.844 2026 GMT Extensions: 00:00:05:00:01:6B:8A:80 Signature : ecdsa-with-SHA256 30:45:02:20:01:67:9C:56:C4:77:B7:95:A0:5F:DC:92: 18:75:63:EB:92:79:E8:0B:4C:BA:27:90:11:CA:D1:92: 48:80:20:B3:02:21:00:B2:FB:06:19:33:5D:41:B9:44: B2:2D:F4:F9:BC:EC:41:5A:02:05:33:F2:9F:36:88:09: 39:F5:D7:6F:85:FE:6E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-20T06:53:48+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2021-03-22T00:00:00+00:00
Expires
2036-03-21T23:59:59+00:00
Days remaining
3440
Serial (hex)
397A66CC2756362E0DAA87CA6EABE3B1
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

8C:54:C3:34:B6:6B:A4:E4:26:77:2A:F4:A3:F9:13:6C:19:A1:AE:C7:29:FD:B2:8C:53:5C:07:A5:A4:EF:22:E0
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----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 →