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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

TLSv1.2

bn.com · 65.204.48.118:443

Verified

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

Subject
C=US ST=New York L=Westbury O=Barnes and Noble Inc CN=bn.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-05-27T00:00:00+00:00
Expires
2026-12-11T23:59:59+00:00
Days remaining
77
Serial (hex)
0CBF0309E1BC4C4A747BDBA6FD735D9D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:bn.com, DNS:www.bn.com

SHA-256 fingerprint

4E:07:DE:1E:7C:DA:1A:D7:AA:2B:11:B9:9E:F5:91:74:C5:76:B1:BA:59:31:DE:44:21:84:3C:DC:0F:AC:2E:05
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
39:A6:41:ED:7F:E2:2C:BE:6F:D3:3F:B9:F9:3C:77:E5:F6:FC:85:C9
subjectAltName
DNS:bn.com, DNS:www.bn.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : May 27 15:29:46.188 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:56:0F:7F:66:73:6E:18:89:D5:98:FB:18: 56:B5:86:51:F6:F4:36:64:7E:E9:FF:48:C1:D6:ED:76: 79:A7:36:5A:02:21:00:96:D1:AE:A0:DB:B1:3D:68:C8: BD:42:18:FF:82:DB:15:A5:B7:45:51:30:A6:B1:5A:91: CA:73:7C:86:D7:C8:6E 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 : May 27 15:29:46.172 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A3:1A:CD:00:EC:97:4C:8D:E2:03:D1: C9:76:DD:CF:70:9B:CB:B0:C0:24:4A:1E:B6:4C:2A:7E: E0:B1:7B:DA:90:02:20:24:AE:14:6E:4F:15:41:94:35: 52:C1:10:04:94:55:1D:D3:C2:55:D1:C5:6D:B8:E8:21: 90:69:D6:41:4F:59:E4 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 : May 27 15:29:46.200 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:86:B5:DB:80:12:DE:EB:5D:87:37:9E: 52:1A:53:2A:06:95:05:49:DA:16:C2:50:6F:42:40:C5: 79:6A:3E:14:D1:02:21:00:CC:5A:12:4E:06:50:18:29: C4:32:89:7A:A3:F8:70:3E:2D:91:F6:A0:D8:BB:F5:98: A0:4B:30:B0:8C:37:D5:01
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-SHA · Checked 2026-09-25T04:37:45+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1646
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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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