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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

gatworks.de · 213.164.155.7:443

Verified

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

Subject
CN=www.gatworks.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Encryption Everywhere DV TLS CA - G2
Valid from
2026-08-27T00:00:00+00:00
Expires
2027-03-13T23:59:59+00:00
Days remaining
152
Serial (hex)
08B8E109410F594E8E4685548173D79C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.gatworks.de, DNS:gatworks.de

SHA-256 fingerprint

98:C0:0F:17:A2:AB:D7:08:41:56:B1:94:1B:1D:23:C1:85:BC:30:E7:3A:89:CC:16:CD:16:F7:8F:82:8B:67:B3
Certificate extensions & PEM
authorityKeyIdentifier
78:DF:91:90:5F:EE:DE:AC:F6:C5:75:EB:D5:4C:55:53:EF:24:4A:B6
subjectKeyIdentifier
B0:39:22:A0:53:FD:5C:66:D5:A2:C8:F3:39:64:E8:3F:4D:9A:30:E6
subjectAltName
DNS:www.gatworks.de, DNS:gatworks.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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/EncryptionEverywhereDVTLSCA-G2.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 : Aug 27 10:03:06.910 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:54:8E:92:A3:69:18:DE:D3:D1:0F:3D:40: 19:01:6D:B2:52:4C:E1:B3:BF:EE:E4:DA:D7:66:DA:48: BE:9E:CB:AF:02:21:00:CC:DD:E3:1E:F5:7E:81:75:39: 47:9B:A1:19:47:04:7C:B7:00:82:97:D5:76:B2:AA:48: 6F:A7:95:3E:17:48:46 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 : Aug 27 10:03:06.922 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:0D:0E:65:29:25:A3:9A:AE:C7:C2:C4:8B: EE:BF:64:6A:82:89:25:A5:00:96:1E:08:10:93:25:13: D5:4C:9B:EB:02:20:57:FC:73:1E:1F:51:9F:6B:55:82: DB:87:97:44:F0:FB:AD:5C:63:36:74:8A:C6:DD:E0:11: 55:51:B3:13:01:04 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 : Aug 27 10:03:06.997 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D0:27:92:0C:70:8C:F4:FC:3D:17:F2: 5E:B8:FB:9B:94:50:A4:BD:D9:BF:9D:84:2F:5E:BB:CC: 37:BA:D9:C6:3C:02:20:17:FA:C1:BA:5E:51:ED:CD:25: 76:30:88:47:08:68:7B:B5:A6:C6:69:85:CF:B0:00:66: 9B:63:42:43:D5:F3:42
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-12T05:09:33+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Encryption Everywhere DV TLS CA - G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-27T12:46:40+00:00
Expires
2027-11-27T12:46:40+00:00
Days remaining
411
Serial (hex)
0DE0FFB5EE62CB61109F608C9CED5ED3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B1:AC:8C:FB:18:1B:9C:93:54:E1:77:5F:CB:DF:CF:E7:89:8C:5C:C9:A1:7D:76:31:5B:57:C1:12:EE:E5:52:34
Certificate extensions & PEM
subjectKeyIdentifier
78:DF:91:90:5F:EE:DE:AC:F6:C5:75:EB:D5:4C:55:53:EF:24:4A:B6
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: 2.16.840.1.114412.1.2 CPS: https://www.digicert.com/CPS Policy: 2.23.140.1.2.1
-----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
4113
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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