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

TLSv1.3

inet.co.th · 104.18.1.128:443

Verified

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

Subject
C=TH ST=Bangkok L=Huai Khwang O=Internet Thailand Public Company Limited CN=*.inet.co.th
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2026-05-18T04:31:19+00:00
Expires
2026-12-03T04:31:19+00:00
Days remaining
66
Serial (hex)
3BD5B97F33316899C4CDD828
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.inet.co.th, DNS:inet.co.th

SHA-256 fingerprint

60:57:CB:D1:9F:5E:F7:E4:EB:C0:E7:13:0D:A6:DB:6B:74:B2:17:EE:35:8F:06:C1:9B:CC:55:57:7F:DE:F7:A6
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
subjectAltName
DNS:*.inet.co.th, DNS:inet.co.th
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
30:5A:B3:2B:EF:98:3B:F4:BE:28:44:08:F0:8C:0A:3F:85:91:C1:FF
ct_precert_scts
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 : May 18 04:31:23.317 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:55:EB:4F:8C:AB:91:AB:AE:F9:E3:3A:00: 06:E9:08:07:1E:99:A9:A8:16:40:F9:27:96:8F:39:58: E1:24:3A:CC:02:20:64:6A:F8:6D:2C:FD:31:34:16:E2: 5B:A9:39:35:EA:F9:A3:3E:DF:60:B4:A5:06:D7:8E:9F: C4:C6:B8:DC:2D:D3 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : May 18 04:31:23.800 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D3:73:0E:71:37:DE:4D:56:DB:D8:25: 01:AD:AA:44:DE:E7:4E:66:13:4E:0F:B5:BB:92:D0:82: 3C:07:71:14:C5:02:20:7E:18:EE:43:0F:C7:50:3B:95: 29:D9:4D:B6:9E:D0:E9:27:55:F0:42:90:E4:3F:91:53: 3B:F3:3C:0D:32:65:93 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 : May 18 04:31:23.719 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:7C:D5:28:26:FB:94:CF:58:81:E1:29:BC: AD:EF:62:E7:C1:E9:1B:50:D4:BC:F9:F3:7C:9C:12:89: 3F:07:26:1B:02:20:6B:41:91:8B:B3:DD:62:2D:0E:32: 9E:08:7C:22:B5:60:CB:49:25:01:99:76:2B:1C:73:70: 61:00:0A:94:53:1F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-27T09:24:01+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
785
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2018-09-19T00:00:00+00:00
Expires
2028-01-28T12:00:00+00:00
Days remaining
488
Serial (hex)
01EE5F169DFF97352B6465D66A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:5E:EC:78:BC:61:21:50:44:A0:37:96:56:AA:2D:5D:B5:E4:2F:76:CB:70:B8:D1:4C:20:77:AA:94:3D:4E:BB
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----
MIIETjCCAzagAwIBAgINAe5fFp3/lzUrZGXWajANBgkqhkiG9w0BAQsFADBXMQsw
CQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEQMA4GA1UECxMH
Um9vdCBDQTEbMBkGA1UEAxMSR2xvYmFsU2lnbiBSb290IENBMB4XDTE4MDkxOTAw
MDAwMFoXDTI4MDEyODEyMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290
IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNp
Z24wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2
hMoonv0FdhHFrYhy/EYCQ8eyip0EXyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9
DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+JJ5U4nwbXPsnLJlkNc96wyOkm
DoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8unPvQu7/1PQDh
BjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv
riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZp
hYIXAgMBAAGjggEiMIIBHjAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB
/zAdBgNVHQ4EFgQUj/BLf6guRSSuTVD6Y5qL3uLdG7wwHwYDVR0jBBgwFoAUYHtm
GkUNl8qJUC99BM00qP/8/UswPQYIKwYBBQUHAQEEMTAvMC0GCCsGAQUFBzABhiFo
dHRwOi8vb2NzcC5nbG9iYWxzaWduLmNvbS9yb290cjEwMwYDVR0fBCwwKjAooCag
JIYiaHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9yb290LmNybDBHBgNVHSAEQDA+
MDwGBFUdIAAwNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xvYmFsc2lnbi5j
b20vcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBACNw6c/ivvVZrpRCb8RD
M6rNPzq5ZBfyYgZLSPFAiAYXof6r0V88xjPy847dHx0+zBpgmYILrMf8fpqHKqV9
D6ZX7qw7aoXW3r1AY/itpsiIsBL89kHfDwmXHjjqU5++BfQ+6tOfUBJ2vgmLwgtI
fR4uUfaNU9OrH0Abio7tfftPeVZwXwzTjhuzp3ANNyuXlava4BJrHEDOxcd+7cJi
WOx37XMiwor1hkOIreoTbv3Y/kIvuX1erRjvlJDKPSerJpSZdcfL03v3ykzTr1Eh
kluEfSufFT90y1HonoMOFm8b50bOI7355KKL0jlrqnkckSziYSQtjipIcJDEHsXo
4HA=
-----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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