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

jupitek.vn · 172.104.165.180:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
CN=*.jupitek.vn
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV E36
Valid from
2026-08-08T00:00:00+00:00
Expires
2027-02-22T23:59:59+00:00
Days remaining
103
Serial (hex)
06CA360D5D3912FB7025189C2BFEDA3A
Signature
ecdsa-with-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:*.jupitek.vn, DNS:jupitek.vn

SHA-256 fingerprint

CE:35:06:E5:29:0E:F5:03:73:B5:9D:C4:D5:FA:9B:21:86:29:73:F4:73:13:3F:43:3E:B7:3F:A1:3D:BF:9E:37
Certificate extensions & PEM
authorityKeyIdentifier
17:99:A8:04:C1:6F:E4:2D:70:A8:0A:10:3D:03:D3:E9:1A:B8:26:63
subjectKeyIdentifier
A5:44:8B:6E:B0:A9:89:CC:C8:D5:FE:1A:81:9F:85:13:D6:23:42:21
keyUsage
Digital Signature
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client 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/SectigoPublicServerAuthenticationCADVE36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.jupitek.vn, DNS:jupitek.vn
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 8 03:16:10.975 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:46:A8:40:77:9B:41:C2:45:07:65:9F:1F: A1:E1:E5:C0:38:4F:4B:D9:61:AB:35:FA:B6:5A:E4:F7: 1D:71:68:DB:02:20:17:B2:21:76:4D:89:5B:16:FF:22: 88:03:F2:1C:BA:C4:5A:23:0E:F4:88:5D:58:BF:E4:F5: 9A:35:E8:72:7A:66 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 8 03:16:11.784 2026 GMT Extensions: 00:00:05:00:08:0C:AB:37 Signature : ecdsa-with-SHA256 30:45:02:21:00:AC:22:B1:DD:87:47:38:C7:55:30:99: F8:ED:BB:9B:34:CF:86:32:9E:82:50:0F:A0:4E:16:E6: 6B:DA:F3:79:DE:02:20:7E:8F:45:FE:9A:5E:5B:E2:78: 56:BD:43:AF:5E:A6:B3:4D:2D:39:74:70:37:43:70:48: A5:5F:90:C2:CE:69:FD 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 8 03:16:11.172 2026 GMT Extensions: 00:00:05:00:00:5F:55:86 Signature : ecdsa-with-SHA256 30:45:02:21:00:D4:92:27:6D:2D:81:21:46:76:08:12: BD:B5:43:B0:45:BC:83:6E:3B:CD:E5:9D:3E:7B:BC:F7: 46:EE:49:F4:08:02:20:65:7F:06:B8:AD:68:97:A4:CB: AB:F8:4A:A5:8E:54:AB:23:CC:A2:5D:C2:9E:7E:59:DE: 10:D3:C5:C8:36:C0:17
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-ECDSA-AES128-GCM-SHA256 · Checked 2026-11-11T15:39:27+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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