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

TLSv1.2

ntplc.co.th · 118.174.10.215:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
CN=*.ntplc.co.th
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Valid from
2026-11-09T04:38:49+00:00
Expires
2027-05-27T04:38:49+00:00
Days remaining
195
Serial (hex)
372535282832E912C42456F0
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ntplc.co.th, DNS:ntplc.co.th

SHA-256 fingerprint

D5:A1:F4:AC:5F:DA:31:69:61:8A:6E:8E:B2:F0:BA:7A:F9:92:5E:D6:9B:73:D2:BB:0F:12:BC:F1:06:10:1C:BA
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46alphasslca2025.crl
subjectAltName
DNS:*.ntplc.co.th, DNS:ntplc.co.th
authorityKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
0D:01:49:63:D3:33:1A:9F:0D:31:83:43:5A:07:04:AB:2F:13:EF:EA
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Nov 9 04:38:58.148 2026 GMT Extensions: 00:00:05:00:3F:DF:05:45 Signature : ecdsa-with-SHA256 30:45:02:20:71:94:FA:A4:AD:EB:2D:1C:66:86:FD:00: C4:48:35:E1:00:A6:60:E9:2E:2A:1A:6C:32:84:B8:9C: C4:49:26:76:02:21:00:80:18:C9:51:B3:88:1D:46:ED: FB:C4:22:70:0B:66:7F:3C:B5:B5:48:BA:11:44:E3:EA: 40:B3:53:FE:E1:90:A6 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 : Nov 9 04:38:57.452 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:37:B4:22:99:E6:0C:4D:70:CE:4E:B3:83: 98:FC:94:E8:95:4D:D2:9B:30:99:20:C5:92:8A:D1:B6: D9:86:64:E4:02:21:00:B7:A2:77:7D:6F:BF:1E:76:29: AB:63:D6:31:BB:AA:AA:BE:99:CC:B3:2E:78:0C:AE:AF: 9D:C8:4F:FE:EB:11:02 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 : Nov 9 04:38:58.690 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:50:75:71:BD:36:99:FC:50:AE:33:AE:0B: A5:2A:D8:C7:AF:1A:EF:0A:2C:EE:87:7C:AE:83:E3:89: 2F:9F:95:EF:02:20:7B:EC:AF:63:5E:EE:8E:44:2A:3B: 05:B4:EC:CD:6D:FF:81:56:54:9B:16:FE:CB:31:B4:02: F3:E3:FE:AA:19:62
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-11-12T15:21:23+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 OV TLS CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-09-17T02:55:56+00:00
Expires
2029-06-23T00:00:00+00:00
Days remaining
953
Serial (hex)
84435890836F67394182CB9C9A5DC99F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D1:60:E2:DE:4E:56:CB:10:B6:6C:1C:B0:AD:CB:79:CF:93:C7:8D:CD:9D:B3:0C:20:18:22:02:62:C0:40:63:F9
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
69:74:3E:AF:C3:5B:01:95:49:EE:14:41:5A:93:FA:B1:30:98:DA:A2
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.4146.10.1.2
-----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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