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

mx.layer6.net · 195.123.222.197:443

Verified

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

Subject
CN=*.layer6.net
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2025-10-20T00:00:00+00:00
Expires
2026-11-20T23:59:59+00:00
Days remaining
51
Serial (hex)
02A5CAD73975A77D3523C4BD8DA5C1AB
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

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

SHA-256 fingerprint

2C:6E:45:B9:06:56:D2:1C:86:65:8A:20:7D:93:DE:2E:8F:27:ED:E5:4B:C3:98:D8:F1:8E:E5:4F:6F:EA:C3:E5
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
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
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 20 06:09:46.346 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:18:41:EE:44:E0:F4:C2:22:79:71:B0:D5: 15:64:A1:61:7F:4A:FA:1F:4F:21:AF:A2:B2:E9:46:F2: 01:5C:FD:21:02:21:00:F9:16:01:EB:E7:78:3A:F0:0C: CD:43:0D:45:F2:0E:2B:CC:7E:40:3A:45:10:D8:6C:06: FC:02:08:94:0B:DA:FF 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 : Oct 20 06:09:46.346 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A8:16:CA:45:9A:D5:E8:B1:28:2F:45: A6:81:D3:2C:80:54:61:E7:73:B1:7F:12:CF:43:2F:1C: 0D:67:59:41:7F:02:21:00:A0:33:3C:9D:F1:B9:0B:A0: B9:43:8B:A9:62:DA:16:88:A7:D6:38:B6:92:74:BA:C4: 19:91:E1:5C:A7:EC:12:5D 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 : Oct 20 06:09:46.368 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:26:C0:B0:B7:2B:80:AE:58:2A:FF:3D:1E: F1:DA:D1:42:2C:0E:C0:B8:9E:E9:91:C2:ED:1A:71:DC: 85:30:BB:DD:02:20:11:B3:C9:1E:1A:FF:E3:44:14:3E: B5:3E:1B:05:CF:B4:1E:23:A4:25:A2:AB:F2:5C:5A:06: 8F:20:64:D0:62:5F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-09-30T21:29:35+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
397
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
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
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----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 G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4124
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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.

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