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

bertelsmann.de · 9.141.120.215:443

Verified

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

Subject
CN=*.bertelsmann.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-01-23T00:00:00+00:00
Expires
2027-02-14T23:59:59+00:00
Days remaining
119
Serial (hex)
03ECB219053B7973AFBC83CF7C356F24
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.bertelsmann.de, DNS:bertelsmann.de

SHA-256 fingerprint

6A:CB:E6:78:6A:B7:F0:C1:8B:FC:F8:D5:7B:C9:20:15:68:39:FE:3F:62:3E:F6:40:DA:DE:BB:B1:4C:77:6B:1E
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
7B:41:69:D5:35:53:7B:43:ED:93:55:67:D3:EA:68:36:3C:77:A6:AD
subjectAltName
DNS:*.bertelsmann.de, DNS:bertelsmann.de
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 : 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 : Jan 23 13:24:44.445 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:14:F6:60:A1:40:55:A8:6A:6A:89:94:74: D1:EA:DE:2D:07:6C:1C:56:3B:04:25:FD:79:1D:79:7B: B5:74:8E:51:02:21:00:A6:00:EF:7A:7B:C0:EB:E7:E9: 4A:CA:33:74:09:78:AD:C6:72:B8:9E:69:86:CA:82:B6: B7:17:D6:35:51:A5:9C 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 : Jan 23 13:24:44.456 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3B:9E:D8:31:77:64:39:D5:03:0B:4E:0A: FD:39:90:F5:B9:07:CB:9B:B6:25:FD:F4:28:FC:2E:C5: F8:1E:89:AF:02:21:00:DC:3E:18:2F:67:09:83:96:3A: 76:0E:44:18:B8:08:77:5C:47:6F:91:E5:0F:43:57:32: 05:E8:2E:B3:29:C9:AB Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Jan 23 13:24:44.551 2026 GMT Extensions: 00:00:05:00:01:A7:78:15 Signature : ecdsa-with-SHA256 30:46:02:21:00:B8:7F:30:15:70:51:6B:E3:CE:0F:C9: CC:02:88:A3:B3:92:40:24:70:E2:23:25:5F:06:3B:82: CE:DF:8D:91:33:02:21:00:C6:40:4C:B7:E8:94:4F:F9: FE:7F:D8:AE:01:1F:E4:19:CE:88:B0:73:04:5B:90:21: FE:35:82:04:E0:38:F3:A9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-18T08:43:54+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
380
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
4107
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.

View certificate JSON

Registration / WHOIS →DNS records →