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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

swu.de · 109.70.193.10:443

Verified

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

Subject
CN=*.swu.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-09-08T00:00:00+00:00
Expires
2027-01-28T23:59:59+00:00
Days remaining
85
Serial (hex)
0482F5757F7EB1D5132DA15B928ABF1B
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.swu.de, DNS:swu.de

SHA-256 fingerprint

C2:D6:63:60:52:3A:B3:CB:A1:D3:99:E7:C8:A7:5C:D7:84:21:E5:3B:A7:89:54:12:D1:BF:E9:15:26:E2:22:EF
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
D6:C6:65:E8:17:37:D5:BE:CD:F9:C7:34:F3:EA:B0:A2:7D:98:6D:81
subjectAltName
DNS:*.swu.de, DNS:swu.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 8 09:27:21.164 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5E:71:DF:B7:1B:95:8C:15:0B:98:C8:B4: 88:B3:35:AC:F6:00:D7:C8:13:EE:B8:4E:35:63:A5:B0: 81:A2:B2:B1:02:20:2A:58:F6:AD:53:8C:80:CE:16:7A: 01:CB:21:4B:D0:75:6C:3E:DE:56:7C:B3:6C:21:64:86: AE:4C:6E:9A:82:89 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 8 09:27:21.239 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:13:18:0C:FA:F1:CD:20:49:3D:91:8D:52: D3:2F:94:5C:E7:F9:32:90:9B:78:F3:0D:AB:5F:36:AF: 81:13:93:3E:02:21:00:8B:FB:D2:CC:13:68:F9:C9:6A: 81:05:83:1C:75:8E:DD:79:BB:27:71:6E:C1:A2:DE:81: D2:D0:D0:C9:8E:27:47 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 : Sep 8 09:27:21.249 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E4:63:11:07:9C:59:1E:6C:C5:A9:1E: 95:22:3A:DE:FF:9A:92:2F:1F:3C:1C:3A:A7:FE:72:62: F6:09:E1:C1:E1:02:20:76:36:95:1D:FC:20:D3:F9:C0: DF:0C:D9:8A:A9:D3:BB:7B:A5:90:36:FF:3D:0B:1D:23: 4C:B7:80:88:B9:90:63
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-04T14:36:58+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
362
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
4089
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

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