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

norderstedt.de · 213.178.85.128:443

Verified

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

Subject
CN=*.norderstedt.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-09-04T00:00:00+00:00
Expires
2027-03-21T23:59:59+00:00
Days remaining
166
Serial (hex)
072B1E76DA35864B56C10696D2E63FF5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.norderstedt.de, DNS:norderstedt.de

SHA-256 fingerprint

D2:30:32:9F:34:5C:A9:F3:AC:A3:DA:FE:6A:31:F4:EA:B5:AD:74:53:29:F1:E0:53:D2:08:73:81:F7:15:88:5D
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
99:A5:EA:02:46:5B:12:C6:B2:02:4B:49:5B:64:33:FA:41:9D:91:29
subjectAltName
DNS:*.norderstedt.de, DNS:norderstedt.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.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.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 : Sep 4 05:25:08.556 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:50:2D:5B:DB:AF:61:17:3C:89:08:44:3F: B8:45:58:A4:24:57:63:5A:1C:57:BD:FF:F1:70:B2:58: AD:D6:E5:6C:02:21:00:BA:30:DC:88:A1:40:4C:22:7F: F6:26:F1:69:6A:D1:CC:7C:8D:74:0F:0D:22:37:45:16: 38:F9:2D:A1:06:F7:1C 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 : Sep 4 05:25:08.548 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:2E:21:94:71:FF:ED:E1:35:47:0D:C3:BF: F8:47:08:A3:3D:AE:54:DE:31:D8:6F:A9:09:D2:B3:3E: CE:23:07:C4:02:21:00:EC:0A:85:F4:2F:4E:3B:01:E0: 45:A1:1D:92:9B:8C:C6:C5:0F:B7:57:5C:7B:1D:71:42: 4B:B2:8F:FE:E1:40:57 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 4 05:25:08.599 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:27:F9:17:20:30:A7:07:DB:E2:98:D5:25: 85:A1:CF:54:BE:58:F6:27:C2:A6:19:9A:00:E9:FD:B3: 3C:DC:03:1E:02:21:00:D2:90:65:D8:4F:2D:9D:2F:AD: A8:F1:F0:CB:0A:3A:7A:15:5A:4A:46:9C:1F:53:53:83: CF:34:9B:1D:CC:C9:AE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-06T17:19:28+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:25+00:00
Expires
2027-11-02T12:24:25+00:00
Days remaining
391
Serial (hex)
090EE8C5DE5BFA62D2AE2FF7097C4857
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4B:CC:5E:23:4F:E8:1E:DE:4E:AF:88:3A:A1:9C:31:33:5B:0B:26:E8:5E:06:6B:99:45:E4:CB:61:53:EB:20:C2
Certificate extensions & PEM
subjectKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
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-----

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
4118
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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