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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

jnnc.com · 39.96.252.169:443

Verified

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

Subject
C=CN ST=山东省 L=济南市 O=山东广电全媒体有限公司 CN=*.jnnc.com
Issuer
C=CN O=Beijing Xinchacha Credit Management Co., Ltd. CN=Xcc Trust OV SSL CA
Valid from
2026-03-05T01:02:51+00:00
Expires
2027-03-05T01:02:50+00:00
Days remaining
146
Serial (hex)
43B0DE8CB2B325E878A830AFAC805812
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.jnnc.com, DNS:jnnc.com

SHA-256 fingerprint

D6:AB:89:52:2B:E4:6D:A0:A7:AC:B3:C3:F2:D1:23:F5:46:78:0F:83:E8:15:84:E3:18:FD:18:E4:AC:D7:15:60
Certificate extensions & PEM
basicConstraints
CA:FALSE
crlDistributionPoints
Full Name: URI:http://xinchacha2ov.crl.certum.pl/xinchacha2ov.crl
authorityInfoAccess
OCSP - URI:http://xinchacha2ov.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/xinchacha2ov.cer
authorityKeyIdentifier
FA:A0:CB:C2:C7:5D:81:B5:20:92:07:20:0B:B6:3B:70:3B:09:0E:55
subjectKeyIdentifier
7F:10:05:09:DC:3A:C8:C1:AE:71:C9:BB:77:F8:F5:33:81:CC:D2:D7
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.2.616.1.113527.2.5.1.22.2 CPS: https://www.certum.pl/CPS
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
subjectAltName
DNS:*.jnnc.com, DNS:jnnc.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Mar 5 01:02:52.252 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EC:8B:43:D7:EA:66:DD:B5:2D:2C:1F: C3:E3:6A:DC:C8:30:20:F5:B7:9D:81:6C:D8:10:68:52: 1D:16:F3:7E:9C:02:21:00:E5:49:6F:B0:AA:B0:8E:82: CE:3D:B3:52:A6:47:2C:39:5C:E4:B0:2D:4B:A9:C4:05: 71:72:F9:CB:30:4D:69:F5 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Mar 5 01:02:52.295 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D7:FB:D3:88:B5:71:61:3D:E5:F5:D9: 9F:E2:A4:C9:E4:60:F2:90:5E:53:CE:09:48:34:41:DD: 35:14:95:A1:58:02:21:00:B0:8C:7D:E1:04:B0:A4:51: AF:A4:5D:BD:38:7A:8A:B7:4A:A0:D6:F8:1D:96:F0:29: 31:3E:2B:27:EA:82:30:D8 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 : Mar 5 01:02:52.465 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2C:24:BB:07:C7:E5:9B:61:4E:B6:CA:25: 44:A6:8A:1A:E2:C1:66:EB:36:9A:76:98:FC:99:23:FC: E5:49:28:0B:02:21:00:DA:4A:D4:3C:F8:E0:DE:D5:3C: D2:E6:DA:B7:52:18:EC:38:6E:E8:AE:E7:8A:9C:37:F6: 54:42:C3:2C:F0:DA:E4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-09T19:34:31+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=CN O=Beijing Xinchacha Credit Management Co., Ltd. CN=Xcc Trust OV SSL CA
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Valid from
2022-07-01T07:48:47+00:00
Expires
2027-06-30T07:48:47+00:00
Days remaining
263
Serial (hex)
F244082DABA90DA58C72E9F29A9340AE
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

26:28:D6:5E:94:D6:2E:57:B6:34:4C:31:B2:29:20:ED:A3:16:D9:BE:68:EE:F5:EA:CC:73:62:20:6B:7D:EA:FA
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
FA:A0:CB:C2:C7:5D:81:B5:20:92:07:20:0B:B6:3B:70:3B:09:0E:55
authorityKeyIdentifier
08:76:CD:CB:07:FF:24:F6:C5:CD:ED:BB:90:BC:E2:84:37:46:75:F7
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://crl.certum.pl/ctnca.crl
authorityInfoAccess
OCSP - URI:http://subca.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/ctnca.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.certum.pl/CPS
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Valid from
2008-10-22T12:07:37+00:00
Expires
2029-12-31T12:07:37+00:00
Days remaining
1178
Serial (hex)
0444C0
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

5C:58:46:8D:55:F5:8E:49:7E:74:39:82:D2:B5:00:10:B6:D1:65:37:4A:CF:83:A7:D4:A3:2D:B7:68:C4:40:8E
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
08:76:CD:CB:07:FF:24:F6:C5:CD:ED:BB:90:BC:E2:84:37:46:75:F7
keyUsage
Certificate Sign, CRL Sign
-----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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