Certificate:

    Data:

        Version: 3 (0x2)

        Serial Number:

            4f:4c:b6:c3:b5:15:a6:39:11:eb:f8:f5:55:32:e1:d0

        Signature Algorithm: ecdsa-with-SHA256

        Issuer: C = US, O = Google Trust Services, CN = WE1

        Validity

            Not Before: Jun 30 13:50:57 2025 GMT

            Not After : Sep 28 14:49:31 2025 GMT

        Subject: CN = rt.ac.th

        Subject Public Key Info:

            Public Key Algorithm: id-ecPublicKey

                Public-Key: (256 bit)

                pub:

                    04:34:b0:c2:cb:c3:ec:3f:45:cc:c3:46:0e:d2:1e:

                    31:15:a6:4c:25:da:d6:ff:f2:97:d7:ff:c1:13:74:

                    63:85:83:8c:40:20:2f:fb:16:05:3b:81:e0:bd:ad:

                    7a:44:40:1f:11:e5:ec:72:cd:94:a8:30:8e:c9:c5:

                    82:81:0d:2f:1a

                ASN1 OID: prime256v1

                NIST CURVE: P-256

        X509v3 extensions:

            X509v3 Key Usage: critical

                Digital Signature

            X509v3 Extended Key Usage:

                TLS Web Server Authentication

            X509v3 Basic Constraints: critical

                CA:FALSE

            X509v3 Subject Key Identifier:

                A5:B8:DF:BC:CC:06:A8:43:B9:9B:37:E6:96:4C:C0:07:EF:31:AB:EE

            X509v3 Authority Key Identifier:

                90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38

            Authority Information Access:

                OCSP - URI:http://o.pki.goog/s/we1/T0w

                CA Issuers - URI:http://i.pki.goog/we1.crt

            X509v3 Subject Alternative Name:

                DNS:rt.ac.th, DNS:*.rt.ac.th

            X509v3 Certificate Policies:

                Policy: 2.23.140.1.2.1

            X509v3 CRL Distribution Points:

                Full Name:

                  URI:http://c.pki.goog/we1/KLRFxSqxaMw.crl

            CT Precertificate SCTs:

                Signed Certificate Timestamp:

                    Version   : v1 (0x0)

                    Log ID    : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:

                                F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A

                    Timestamp : Jun 30 14:50:58.251 2025 GMT

                    Extensions: none

                    Signature : ecdsa-with-SHA256

                                30:45:02:20:79:8E:72:92:6A:B6:D6:94:26:11:56:86:

                                AC:09:8A:0B:AC:4B:C6:A2:F9:4D:C9:20:81:48:05:07:

                                A4:04:43:FF:02:21:00:99:84:63:7B:7B:BB:C7:EF:33:

                                66:7B:AB:41:3E:AC:3E:39:97:1C:41:CC:FD:B6:D6:E0:

                                9C:A9:02:54:AE:88:DF

                Signed Certificate Timestamp:

                    Version   : v1 (0x0)

                    Log ID    : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:

                                22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0

                    Timestamp : Jun 30 14:50:58.318 2025 GMT

                    Extensions: none

                    Signature : ecdsa-with-SHA256

                                30:45:02:21:00:FC:DE:58:CC:1B:09:4C:12:79:9E:95:

                                DE:4E:F4:C6:1E:40:BB:13:BE:EE:AC:DB:24:E2:68:88:

                                A2:38:C6:F1:CE:02:20:31:A5:FA:48:4A:D7:D4:45:66:

                                55:03:5B:2C:F4:94:B1:8C:5F:12:E4:C1:0B:7E:47:3C:

                                AA:79:0D:23:76:D5:51

    Signature Algorithm: ecdsa-with-SHA256

    Signature Value:

        30:45:02:21:00:8a:81:48:38:dc:d9:05:e1:db:cc:ff:c0:10:

        0f:70:9e:f3:2b:a4:6e:f5:98:0f:a9:e6:35:c2:ea:fc:60:2b:

        fe:02:20:70:c9:66:b6:d6:74:f4:df:c1:27:1e:30:cc:b2:f8:

        5f:d8:d0:4a:f4:a4:87:8e:28:46:68:da:33:ca:7b:12:97

-----BEGIN CERTIFICATE-----

MIIDmzCCA0GgAwIBAgIQT0y2w7UVpjkR6/j1VTLh0DAKBggqhkjOPQQDAjA7MQsw

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ONzZBeHbzP/AEA9wnvMrpG71mA+p5jXC6vxgK/4CIHDJZrbWdPTfwSceMMyy+F/Y

0Er0pIeOKEZo2jPKexKX

-----END CERTIFICATE-----