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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

layer6.net · 217.12.200.206:443

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
The certificate has expired.

Certificate verification failed

Subject
CN=*.layer6.net
Issuer
C=US O=DigiCert Inc CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
Valid from
2021-11-02T00:00:00+00:00
Expires
2022-12-03T23:59:59+00:00
Days remaining
-1396
Serial (hex)
0709E90408A154988840751F9FCACA70
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.layer6.net, DNS:layer6.net

SHA-256 fingerprint

E1:50:00:5E:F4:95:9F:EE:D1:B2:2E:F5:50:77:FF:18:FA:AC:F9:B6:42:17:F1:6D:AB:33:CB:E7:D9:A1:24:B9
Certificate extensions & PEM
authorityKeyIdentifier
A4:8D:E5:BE:7C:79:E4:70:23:6D:2E:29:34:AD:23:58:DC:F5:31:7F
subjectKeyIdentifier
A2:54:7D:C7:B2:05:CE:6B:3C:28:53:67:F5:23:C8:85:1B:35:D2:5B
subjectAltName
DNS:*.layer6.net, DNS:layer6.net
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl Full Name: URI:http://crl4.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crl
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/RapidSSLTLSDVRSAMixedSHA2562020CA-1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5: BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84 Timestamp : Nov 2 18:36:55.947 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2A:C6:4B:1F:D6:6E:6F:0E:1F:C3:E7:31: A3:2C:30:0C:84:88:4A:CA:32:43:D3:74:D8:A7:A9:2E: A2:24:D0:A7:02:20:3F:0D:FB:E6:FA:6A:B2:A6:F9:CC: A4:C9:EC:12:5B:18:5F:DA:84:D9:60:82:DF:AF:61:3A: C9:02:EF:C6:66:33 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 51:A3:B0:F5:FD:01:79:9C:56:6D:B8:37:78:8F:0C:A4: 7A:CC:1B:27:CB:F7:9E:88:42:9A:0D:FE:D4:8B:05:E5 Timestamp : Nov 2 18:36:55.908 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:13:63:1E:DC:55:A8:9F:C0:3A:3C:C3:58: 0C:BC:18:3D:31:9B:A3:73:64:01:94:C7:07:0A:88:16: 79:8C:72:EA:02:20:53:FA:8D:DE:7A:B0:68:83:1C:9C: 97:F4:0B:4D:FC:B7:89:8C:BB:8F:C8:71:17:B9:2B:6B: 37:8D:42:5F:4E:2D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E: 4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6 Timestamp : Nov 2 18:36:55.789 2021 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:01:88:C4:A8:0F:3B:A0:43:48:0C:3A:8B: FC:36:0E:5F:BF:A1:D7:34:12:DA:3B:3A:E1:2A:82:A7: F0:B0:32:47:02:21:00:DF:93:3D:BC:77:F0:C3:2F:ED: DD:6E:71:9F:D0:31:02:42:C5:75:08:A7:A5:3F:E2:ED: 5C:05:67:AC:F6:0F:AC
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-09-29T03:57:08+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root CA
Valid from
2020-07-16T12:25:27+00:00
Expires
2023-05-31T23:59:59+00:00
Days remaining
-1217
Serial (hex)
07983603ADE39908219CA00C27BC8A6C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E6:FA:48:4A:85:89:40:D1:01:97:85:55:45:4A:A4:66:53:1A:B6:C4:AB:C4:AD:2B:00:06:26:AA:AC:0D:04:F9
Certificate extensions & PEM
subjectKeyIdentifier
A4:8D:E5:BE:7C:79:E4:70:23:6D:2E:29:34:AD:23:58:DC:F5:31:7F
authorityKeyIdentifier
03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootCA.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalRootCA.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS User Notice: Explicit Text: Any use of this Certificate constitutes acceptance of the Relying Party Agreement located at https://www.digicert.com/rpa-ua
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root CA
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root CA
Valid from
2006-11-10T00:00:00+00:00
Expires
2031-11-10T00:00:00+00:00
Days remaining
1867
Serial (hex)
083BE056904246B1A1756AC95991C74A
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

43:48:A0:E9:44:4C:78:CB:26:5E:05:8D:5E:89:44:B4:D8:4F:96:62:BD:26:DB:25:7F:89:34:A4:43:C7:01:61
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55
authorityKeyIdentifier
03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55
-----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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