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

TLSv1.3

lumen.com · 151.101.135.10:443

Verified

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

Subject
C=US ST=Louisiana L=Monroe O=Lumen Technologies, Inc. CN=lumen.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-02-09T00:00:00+00:00
Expires
2027-03-12T23:59:59+00:00
Days remaining
173
Serial (hex)
0DAE8C6B1CFF67E7A56A92FB042E0B80
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:lumen.com, DNS:www.lumen.com

SHA-256 fingerprint

DF:F9:D2:17:30:35:0F:B9:88:7F:4A:03:89:EA:58:8F:64:FC:B6:79:40:B4:8A:61:56:C6:9C:53:68:D5:74:30
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
B2:B8:20:0B:48:74:0B:6E:ED:9D:79:81:DD:AE:74:36:85:45:69:F0
subjectAltName
DNS:lumen.com, DNS:www.lumen.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 : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Feb 9 15:02:29.126 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:79:FD:09:3D:16:A1:72:EF:CA:47:B9:6B: E2:C6:D1:7C:7F:BC:E1:16:DE:6D:16:FC:4B:AD:D6:A0: 76:14:9A:D3:02:20:68:B6:CA:6C:50:04:86:3B:4A:FA: F1:94:09:64:2D:3E:B4:06:7C:BC:8C:ED:CA:BC:50:89: 52:00:0F:2E:38:60 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 : Feb 9 15:02:29.114 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:13:4E:15:C6:35:14:3E:55:E7:42:E8:EC: 09:CE:2C:B1:E2:BD:05:58:B3:83:39:EA:89:0D:BF:D5: 3C:AF:90:56:02:21:00:A3:EB:42:C3:04:41:F9:14:C9: 68:A4:A4:C6:1D:48:D0:91:5C:9A:2C:C4:6C:28:D1:04: EC:63:F9:97:1F:63:50 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Feb 9 15:02:29.353 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:6B:37:0B:FD:16:6C:08:F2:75:A4:D5:71: 34:FD:6C:9D:66:4A:47:0B:6A:E0:5C:FD:15:04:09:92: 4C:CB:44:9D:02:20:38:E7:C4:39:FA:01:8B:24:37:DF: E6:AC:13:59:FF:99:87:26:5E:25:CD:31:27:E2:CD:1F: 81:85:DD:34:1E:8E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-20T12:04:51+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
1651
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.

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