Certificate:

    Data:

        Version: 3 (0x2)

        Serial Number:

            05:3f:0e:d8:a0:5a:20:ae:e2:7d:1c:87:2b:b6:56:91:b2:f1

        Signature Algorithm: ecdsa-with-SHA384

        Issuer: C = US, O = Let's Encrypt, CN = E5

        Validity

            Not Before: Jul  6 06:23:03 2025 GMT

            Not After : Oct  4 06:23:02 2025 GMT

        Subject: CN = www.521yy.com

        Subject Public Key Info:

            Public Key Algorithm: id-ecPublicKey

                Public-Key: (256 bit)

                pub:

                    04:1e:f6:a0:70:46:70:71:22:89:a9:d8:b9:cd:c9:

                    3c:16:14:15:19:28:76:a1:ff:94:11:21:ef:06:21:

                    fe:a3:17:0b:86:77:5a:89:ab:01:bf:9c:33:1d:d1:

                    05:f5:33:55:3a:2c:dc:bc:d1:19:11:ad:61:d4:01:

                    ce:02:4d:5e:cd

                ASN1 OID: prime256v1

                NIST CURVE: P-256

        X509v3 extensions:

            X509v3 Key Usage: critical

                Digital Signature

            X509v3 Extended Key Usage:

                TLS Web Server Authentication, TLS Web Client Authentication

            X509v3 Basic Constraints: critical

                CA:FALSE

            X509v3 Subject Key Identifier:

                A9:27:50:7D:97:B3:53:5B:48:26:B1:C0:28:EA:E5:C3:70:2F:3C:F4

            X509v3 Authority Key Identifier:

                9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D

            Authority Information Access:

                CA Issuers - URI:http://e5.i.lencr.org/

            X509v3 Subject Alternative Name:

                DNS:www.521yy.com

            X509v3 Certificate Policies:

                Policy: 2.23.140.1.2.1

            X509v3 CRL Distribution Points:

                Full Name:

                  URI:http://e5.c.lencr.org/114.crl

            CT Precertificate SCTs:

                Signed Certificate Timestamp:

                    Version   : v1 (0x0)

                    Log ID    : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38:

                                01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0

                    Timestamp : Jul  6 07:21:35.436 2025 GMT

                    Extensions: none

                    Signature : ecdsa-with-SHA256

                                30:45:02:20:79:D2:C2:53:D7:9E:A5:E6:91:C7:92:E2:

                                4D:8F:ED:50:81:16:DC:AA:4E:35:9C:2C:D5:52:2F:D9:

                                89:30:42:C4:02:21:00:A8:71:60:2D:20:DC:42:B3:A4:

                                2D:F4:C9:02:63:8A:43:B3:72:39:50:3F:59:8A:1A:36:

                                7D:EE:C4:BE:E8:89:A2

                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 : Jul  6 07:21:37.451 2025 GMT

                    Extensions: none

                    Signature : ecdsa-with-SHA256

                                30:44:02:20:4E:AA:9F:29:21:31:41:D2:1E:F9:C5:D6:

                                E2:2A:39:01:F3:36:AF:26:4D:DF:A7:F5:4C:44:3A:22:

                                7A:D8:CA:C8:02:20:54:A4:A4:67:B7:1D:31:8B:A6:56:

                                4D:75:74:7B:6E:7A:8A:C5:4E:59:10:23:DA:A5:79:93:

                                C4:46:D3:CF:49:0C

    Signature Algorithm: ecdsa-with-SHA384

    Signature Value:

        30:65:02:31:00:e5:57:e6:08:d4:21:e1:e4:38:6d:0e:3b:6b:

        35:7a:06:2a:f2:61:ce:f5:b9:82:7e:ef:e4:1f:93:16:24:df:

        df:b3:ad:c8:b9:b8:36:42:38:6d:c3:06:38:0e:74:02:5c:02:

        30:1a:90:8b:c9:34:d8:7e:bd:8a:b8:f4:1f:5f:1e:7f:9d:57:

        a6:ca:10:1d:b7:4c:e7:df:0c:00:fc:0c:38:06:f0:c4:e6:30:

        3c:d0:32:bb:63:17:5e:58:22:de:7b:4c:1c

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

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