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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

gkg.net · 149.154.59.4:443

Verified
The certificate expires within 30 days.

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

Subject
CN=www.gkg.net
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2025-09-17T15:27:26+00:00
Expires
2026-10-19T15:27:25+00:00
Days remaining
28
Serial (hex)
52A2052344FDB6FADF4DC0D3
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.gkg.net, DNS:gkg.net

SHA-256 fingerprint

A9:A0:D8:48:F9:A9:7C:B1:0E:6B:94:C5:63:2D:65:3B:41:97:56:F0:BF:F4:D7:81:9A:BF:E3:CA:4B:93:1D:B5
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr6alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr6alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr6alphasslca2025.crl
subjectAltName
DNS:www.gkg.net, DNS:gkg.net
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
subjectKeyIdentifier
61:8A:88:7A:C3:25:42:4A:23:89:91:D7:E2:06:BB:4A:3E:D0:8D:C1
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Sep 17 15:27:30.452 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:49:3D:BD:C0:57:3F:11:68:F7:A3:12:91: 84:6C:CA:AE:6D:CD:E2:C1:E0:AF:16:23:E4:64:31:EA: 51:4F:14:F4:02:20:35:C4:09:2D:D5:01:49:64:2E:3D: 44:28:06:DD:F1:43:47:2C:9D:4D:10:4B:C9:26:BA:A2: CF:FF:3C:15:D3:BF Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Sep 17 15:27:30.635 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:33:BE:FF:5A:92:7C:27:72:A7:1F:4E:D9: 0C:9B:06:4F:84:03:FE:FB:20:B7:25:E0:B8:4A:DD:04: 93:A4:CB:73:02:20:6E:E4:9B:4B:8B:A4:A6:F0:92:1E: DD:7D:5F:A6:93:00:21:72:37:CB:6F:C7:2A:D7:A9:67: BC:4E:AF:A4:85:2A Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Sep 17 15:27:30.388 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F4:5B:B0:49:52:6F:55:05:B9:7A:71: A7:2C:FC:9E:9C:E1:EB:AB:26:00:BC:49:7D:03:26:D5: 1B:0C:9E:2B:AB:02:21:00:D5:DE:E4:E4:57:47:C3:FC: 16:96:05:E0:4A:B5:B3:C9:10:C1:FD:90:35:8D:D0:93: 4E:EF:9B:0C:13:52:10:0F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-09-20T23:21:50+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2025-05-21T02:36:52+00:00
Expires
2027-05-21T00:00:00+00:00
Days remaining
242
Serial (hex)
837D4EB89E912FE72CAD3BC7692DDC20
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A8:83:55:92:31:F8:38:8D:AF:35:CE:41:C8:10:10:40:AE:8F:D9:B6:56:43:42:47:B9:47:5A:F5:92:CC:08:CA
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr6 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r6.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r6.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----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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