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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

dtac.co.th · 202.91.16.169:443

Verified

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

Subject
C=TH ST=Bangkok L=Huai Khwang O=True Corporation Public Company Limited CN=*.dtac.co.th
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-09-04T00:00:00+00:00
Expires
2027-03-21T23:59:59+00:00
Days remaining
165
Serial (hex)
0D3672DAA78D88293A9739E863A6A2CA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.dtac.co.th, DNS:dtac.co.th

SHA-256 fingerprint

11:D8:07:A1:7C:2E:35:D8:3E:D8:B7:6D:1C:1C:54:43:5C:06:10:98:10:38:FA:1A:09:ED:0D:B7:58:3D:C5:4A
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
DF:27:C9:E5:FA:61:CE:67:9D:7D:D5:4E:16:C0:69:B3:A6:16:A8:5D
subjectAltName
DNS:*.dtac.co.th, DNS:dtac.co.th
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.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 : Sep 4 06:48:02.202 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FC:A0:F7:6B:B3:FB:B6:E9:FB:C7:44: 61:CD:B3:4F:B1:9F:E7:9C:6F:66:53:DD:1B:7E:E3:65: 72:5F:78:9C:18:02:21:00:F0:BD:3C:59:71:77:96:46: 18:24:B1:9A:85:E6:29:57:87:0B:4E:71:AE:28:39:A8: 32:A6:E5:BB:8B:59:1C:BA 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 : Sep 4 06:48:02.172 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:BF:C4:FA:3C:89:41:10:7E:48:0F:DE: 4F:72:6D:C2:A4:C4:48:8E:67:31:25:D7:CB:B1:D2:D8: A9:0A:9D:7D:78:02:21:00:FF:D9:D3:4B:84:61:38:97: FC:33:AB:EC:D1:6F:E3:5D:CC:CB:9D:26:2C:80:EF:A4: BB:26:F3:2F:68:2A:1A:41 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 4 06:48:02.246 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:51:C8:1C:70:55:C8:B4:33:B0:72:A8:47: C4:08:07:B0:52:31:88:A2:60:B0:6D:42:EB:C8:D1:86: 16:E0:75:92:02:20:35:5B:43:1E:5E:F3:6B:C2:7E:5B: D0:B9:72:E7:39:EE:7C:84:4A:D2:43:22:44:0E:5B:3B: 72:30:9E:B4:08:04
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-07T12:27:21+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1634
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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
4117
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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