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

rtaf.mi.th · 119.46.201.77:443

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
C=TH ST=Bangkok L=Don Mueang O=Royal Thai Air Force CN=*.rtaf.mi.th
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-06-17T00:00:00+00:00
Expires
2027-01-01T23:59:59+00:00
Days remaining
91
Serial (hex)
0D8162B84AC25571834588747CF3A52F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.rtaf.mi.th, DNS:*.is.rtaf.mi.th, DNS:www.rtaf.mi.th, DNS:www.is.rtaf.mi.th

SHA-256 fingerprint

AC:7B:57:EF:C3:C0:9E:E1:48:4F:1E:C1:FB:29:E7:EE:78:E5:7D:83:B2:2C:62:93:AB:74:B7:9D:42:0A:0E:71
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
58:BF:80:88:D4:6A:80:92:4F:2F:0A:AF:F1:0D:FF:08:C3:4B:BA:9A
subjectAltName
DNS:*.rtaf.mi.th, DNS:*.is.rtaf.mi.th, DNS:www.rtaf.mi.th, DNS:www.is.rtaf.mi.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://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.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 : Jun 17 03:01:08.719 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3D:F8:A7:39:1E:77:68:5F:58:CE:6B:18: DE:0F:64:BE:B7:CC:E4:54:7C:A0:22:30:2D:92:4D:4F: 0D:6A:A2:3E:02:21:00:E0:66:04:51:06:E8:5C:32:DF: 5A:09:42:56:21:23:27:5E:4A:2A:CC:C7:1E:75:63:DC: E1:F9:8D:08:22:3A:65 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 : Jun 17 03:01:08.703 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:94:3E:AB:D0:62:38:DC:C4:B6:64:9D: 7E:DF:39:EC:B0:AD:46:BA:CF:04:13:65:0C:78:51:95: D9:89:F6:F2:BC:02:21:00:B2:C8:E0:AD:F8:55:52:F5: 0E:F8:95:4F:1A:EE:1D:EC:F9:4A:B0:C8:56:F0:C7:6D: C7:90:B4:B0:34:9A:6C:42 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 : Jun 17 03:01:08.786 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:84:7F:0C:33:B3:53:FF:84:5B:22:DA: F1:DF:37:68:01:81:1C:85:DA:1A:2F:5A:1B:8A:49:B6: A8:7C:D3:69:6E:02:20:50:44:9E:1F:A5:07:8C:E4:CD: 35:15:CF:69:50:C7:8F:D6:8C:F0:F8:08:7B:3F:70:24: BF:B4:2A:21:FD:94:2A
-----BEGIN CERTIFICATE-----
MIIGoDCCBYigAwIBAgIQDYFiuErCVXGDRYh0fPOlLzANBgkqhkiG9w0BAQsFADBg
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
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DTT4Y8cBXPLAV9m0XLO3+Lik2b5CotfYFMT5U2nFTRXWT/7flNOdLbtgkid66/Zh
pr1BDjrNHjH7h0dX5LZcpntIPd5OsGOzK1cMOyDzX6vpryAJYUR1sD/WZqhgxxje
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JDasc0EK9A9DlZFoTbJT++wgDow=
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-02T15:46:29+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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