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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

TLSv1.3

bdo.de · 20.107.224.11:443

Verified

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

Subject
CN=bdo.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-11-05T00:00:00+00:00
Expires
2027-05-05T23:59:59+00:00
Days remaining
174
Serial (hex)
085C5CCFF27FB4F91666A1116D65EA12
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:bdo.de

SHA-256 fingerprint

37:D5:0A:D9:DA:B9:1B:95:45:6F:51:48:64:8F:79:4F:0F:FE:2E:18:40:D6:81:AB:96:66:50:35:EF:30:33:F4
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
C9:33:9F:01:47:34:DB:DF:36:8F:05:AE:64:FB:FB:8F:31:A3:49:97
subjectAltName
DNS:bdo.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, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1-3.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.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 : Nov 5 04:57:57.935 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FD:60:1E:CA:41:78:6E:09:13:20:92: 3C:F4:FA:E7:9B:2A:2E:5B:E6:BD:27:1F:77:E2:43:F7: 14:A1:4A:A2:BF:02:21:00:B8:9D:B4:9B:45:AB:ED:1F: 38:FE:8F:AC:3C:B2:43:FA:F8:12:7E:3A:7D:4D:90:23: 3F:C7:7E:CE:69:9E:F3:23 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Nov 5 04:57:57.943 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AA:2A:FE:84:B7:12:3E:EC:7F:0B:2E: 23:01:30:3D:A4:ED:E7:26:67:BD:6A:72:E8:62:69:95: 6D:24:E9:47:A6:02:20:23:10:59:4F:17:AB:C0:7E:04: C1:47:4B:35:51:B5:07:B2:5A:04:5F:3C:65:3D:63:9E: A9:5E:61:E4:70:32:2D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Nov 5 04:57:58.148 2026 GMT Extensions: 00:00:05:00:38:D2:8B:3B Signature : ecdsa-with-SHA256 30:44:02:20:20:E4:5E:40:4B:4A:B3:00:EC:6F:FF:06: 77:97:7A:1D:92:E5:0B:F9:FE:5D:87:D2:E3:5C:55:6F: E5:BA:12:DD:02:20:64:42:04:F6:AC:91:EC:9D:7C:94: 41:7E:29:ED:37:5B:38:73:75:F3:B3:63:98:41:3D:90: FF:2C:AC:D8:1C:19
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-12T14:43:38+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
354
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
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: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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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