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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

TLSv1.2

das-studio.de · 91.199.158.111:443

Verified

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

Subject
CN=*.das-studio.de
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. OU=http://certs.starfieldtech.com/repository/ CN=Starfield Secure Certificate Authority - G2
Valid from
2026-02-07T00:02:11+00:00
Expires
2027-03-09T00:02:11+00:00
Days remaining
166
Serial (hex)
EC798CCAB19F74E7
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.das-studio.de, DNS:das-studio.de

SHA-256 fingerprint

99:25:AA:42:FB:F7:64:AD:04:5D:67:DD:76:8B:47:9E:F8:DF:92:83:51:DC:21:D2:A0:8C:B6:5E:FD:E5:27:35
Certificate extensions & PEM
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sfig2s1-941.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.16.840.1.114414.1.7.23.1 CPS: http://certificates.starfieldtech.com/repository/
authorityInfoAccess
OCSP - URI:http://ocsp.starfieldtech.com/ CA Issuers - URI:http://certificates.starfieldtech.com/repository/sfig2.crt
authorityKeyIdentifier
25:45:81:68:50:26:38:3D:3B:2D:2C:BE:CD:6A:D9:B6:3D:B3:66:63
subjectAltName
DNS:*.das-studio.de, DNS:das-studio.de
subjectKeyIdentifier
31:C4:65:0C:91:8C:86:4C:54:8C:68:5E:BF:A4:01:5B:67:7D:CE:45
ct_precert_scts
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 : Feb 7 00:02:11.609 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:70:9C:2F:BA:DB:13:D7:EC:7A:E2:41:AA: AC:21:CC:F9:DC:A0:10:FB:40:07:15:16:74:E7:12:72: 51:AF:56:52:02:20:1C:15:10:1A:E8:2B:DB:43:88:26: 5A:89:80:99:54:BC:2D:D0:DB:44:D8:2A:5A:E6:23:25: E1:6F:83:50:BF:EC 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 7 00:02:12.257 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2A:43:F8:23:58:A0:EB:08:65:EA:A5:6D: B1:32:E3:B9:AE:81:57:85:0D:0A:2D:C8:59:33:9D:36: CE:21:B7:6F:02:20:10:FC:3A:AD:FD:F6:D6:4F:6B:AF: B7:CF:51:5A:13:67:6E:3F:7A:F4:0C:85:18:DD:D0:65: EB:98:34:79:AC:3F 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 7 00:02:12.527 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:C3:BC:5D:F6:EC:E4:26:9F:34:27:A4: 22:1F:50:B6:05:32:6B:CE:E1:A0:60:1C:1D:2F:FB:DA: 7D:CA:AE:D5:43:02:21:00:87:00:D0:01:B8:73:2F:45: EA:64:6F:0A:DE:0C:9C:9C:09:E7:9D:9F:15:66:87:26: 3B:C1:8B:50:2A:FB:0F:EB
-----BEGIN CERTIFICATE-----
MIIHvDCCBqSgAwIBAgIJAOx5jMqxn3TnMA0GCSqGSIb3DQEBCwUAMIHGMQswCQYD
VQQGEwJVUzEQMA4GA1UECBMHQXJpem9uYTETMBEGA1UEBxMKU2NvdHRzZGFsZTEl
MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEzMDEGA1UECxMq
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ggFpAWcAdQDW1Y2p0BdT82pKoMdXSQKv68fcLNOM2fdkyAyJGR6fAgAAAZw1Z/YZ
AAAEAwBGMEQCIHCcL7rbE9fseuJBqqwhzPncoBD7QAcVFnTnEnJRr1ZSAiAcFRAa
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Cxx9+MlSG/r6F3c7l4vJAAABnDVn+KEAAAQDAEYwRAIgKkP4I1ig6whl6qVtsTLj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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-09-23T03:36:27+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. OU=http://certs.starfieldtech.com/repository/ CN=Starfield Secure Certificate Authority - G2
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Root Certificate Authority - G2
Valid from
2011-05-03T07:00:00+00:00
Expires
2031-05-03T07:00:00+00:00
Days remaining
1683
Serial (hex)
07
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

93:A0:78:98:D8:9B:2C:CA:16:6B:A6:F1:F8:A1:41:38:CE:43:82:8E:49:1B:83:19:26:BC:82:47:D3:91:CC:72
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Certificate Sign, CRL Sign
subjectKeyIdentifier
25:45:81:68:50:26:38:3D:3B:2D:2C:BE:CD:6A:D9:B6:3D:B3:66:63
authorityKeyIdentifier
7C:0C:32:1F:A7:D9:30:7F:C4:7D:68:A3:62:A8:A1:CE:AB:07:5B:27
authorityInfoAccess
OCSP - URI:http://ocsp.starfieldtech.com/
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sfroot-g2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://certs.starfieldtech.com/repository/
-----BEGIN CERTIFICATE-----
MIIFADCCA+igAwIBAgIBBzANBgkqhkiG9w0BAQsFADCBjzELMAkGA1UEBhMCVVMx
EDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxJTAjBgNVBAoT
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b25hMRMwEQYDVQQHEwpTY290dHNkYWxlMSUwIwYDVQQKExxTdGFyZmllbGQgVGVj
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sPTIFwwKlhR8Cbds4cLYVdQYoKpBaXAko7nv6VrcPuuUSvC33l8Odvr7+2kDRUBQ
7nIMpBKGgc0T0U7EPMpODdIm8QC3tKai4W56gf0wrHofx1l7
-----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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