What are you talking about?

$ echo | openssl s_client -showcerts -servername en.prolewiki.org -connect en.prolewiki.org:443 2>/dev/null | openssl x509 -inform pem -noout -text 2>/dev/null
Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:03:46:46:04:a1:ef:7c:21:40:76:3d:70:a6:03:b7:21:92
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R3
        Validity
            Not Before: Nov 30 21:49:25 2023 GMT
            Not After : Feb 28 21:49:24 2024 GMT
        Subject: CN=de.prolewiki.org
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:ee:5e:33:1b:30:53:d4:0b:00:3b:1f:06:56:bc:
                    36:5b:8c:4e:c8:fe:17:11:ab:6a:45:05:0c:ca:21:
                    78:b0:a5:ab:96:a7:73:6d:76:0f:af:b8:e7:2e:0f:
                    33:48:34:35:e1:10:af:6d:b8:e4:23:14:de:9d:af:
                    52:a9:49:83:e2:5e:0a:1f:d6:a8:2f:e3:b8:c9:4b:
                    d7:86:2d:24:82:7f:c2:be:bb:b1:81:ad:55:be:40:
                    3c:aa:8c:3c:9b:82:93:48:0c:f3:0e:d0:64:b3:b0:
                    ce:6d:76:c3:d0:92:2b:16:8c:92:e4:c2:c2:1f:15:
                    2a:2f:86:fa:e4:b4:01:c4:bb:10:78:12:73:4f:15:
                    7a:c2:bd:ed:78:2b:7a:15:2d:a2:fe:ce:9c:26:f0:
                    93:43:a2:4c:fb:e2:0e:bf:85:4a:3a:7b:f9:3f:e2:
                    37:0e:9b:b7:5b:c4:fc:21:85:29:80:35:c9:cf:32:
                    0d:58:02:e6:92:19:1b:3e:7a:99:9d:f8:78:6c:24:
                    1e:53:29:12:04:76:f3:84:82:05:1b:68:0c:8c:d3:
                    5f:5b:88:bd:94:5e:c4:49:a6:5d:0b:a6:fa:02:e3:
                    b4:d5:6c:14:b9:e8:f1:dd:41:b3:27:06:b0:f1:0b:
                    14:ab:34:9e:0c:b8:10:19:70:50:0b:57:67:e7:12:
                    68:fd
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                F4:06:BA:30:94:34:7A:8A:0E:06:13:CF:AC:28:14:79:4D:4F:70:0B
            X509v3 Authority Key Identifier: 
                14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
            Authority Information Access: 
                OCSP - URI:http://r3.o.lencr.org
                CA Issuers - URI:http://r3.i.lencr.org/
            X509v3 Subject Alternative Name: 
                DNS:de.prolewiki.org, DNS:en.prolewiki.org, DNS:es.prolewiki.org, DNS:fr.prolewiki.org, DNS:prolewiki.org, DNS:pt.prolewiki.org, DNS:ru.prolewiki.org, DNS:shared.prolewiki.org, DNS:stats.prolewiki.org, DNS:www.prolewiki.org, DNS:zh.prolewiki.org
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
                                1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
                    Timestamp : Nov 30 22:49:25.977 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:14:10:9E:02:56:31:68:01:1E:0F:36:3E:
                                BF:FA:82:99:02:82:4C:A3:25:27:7F:42:2C:DB:FE:57:
                                8E:89:5F:B2:02:20:1D:91:CF:AB:A4:83:8D:42:92:54:
                                C3:09:72:8F:9C:66:0D:7E:59:03:2D:D7:11:C8:C5:E7:
                                E2:E0:9D:57:6D:FE
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 3B:53:77:75:3E:2D:B9:80:4E:8B:30:5B:06:FE:40:3B:
                                67:D8:4F:C3:F4:C7:BD:00:0D:2D:72:6F:E1:FA:D4:17
                    Timestamp : Nov 30 22:49:26.475 2023 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:7D:3E:FA:C9:DF:C0:01:72:FE:F3:0E:A6:
                                E7:B8:C7:4F:A1:36:53:38:AC:2A:67:7C:CF:7C:3D:DF:
                                31:8B:B4:1C:02:20:43:6D:10:F0:CE:CC:0E:76:BB:B7:
                                1D:2D:8B:A0:95:E1:8D:A2:8F:78:DA:5A:6C:36:DE:9F:
                                80:B3:C4:FD:36:AC
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        9c:d7:ca:a6:02:d9:3c:2c:7b:27:c6:d5:e6:9e:44:b2:d0:a2:
        8c:d6:9a:f4:38:bb:d2:6b:45:8a:4d:3b:ba:fc:60:66:a4:84:
        ef:ac:78:8f:d1:2f:5a:cc:88:d1:4e:9d:05:71:0f:33:cb:cd:
        ce:c9:8c:73:56:a2:49:e5:5a:a7:41:f9:31:10:7d:54:39:d1:
        67:b6:be:86:b7:0b:e8:c8:ae:ba:36:e9:3e:f8:98:ab:4b:8e:
        92:92:2b:59:89:06:15:2b:fc:64:ad:72:82:c4:72:9e:e1:b9:
        90:c3:d5:63:fb:e6:04:5e:a4:85:3e:80:b7:e1:37:53:4c:a6:
        a7:41:76:4d:6e:fb:ee:10:42:f4:8f:7c:55:27:f8:8c:ba:0d:
        a7:bb:df:2e:77:9a:4d:8b:41:1a:82:a8:69:7f:57:a1:e6:a5:
        ed:a3:a1:15:fc:a7:67:0c:22:ae:3d:70:ee:0e:c4:80:f3:05:
        d7:d5:c2:8c:1a:66:d9:c5:e2:87:2c:c7:40:e2:9f:61:82:d1:
        d1:ea:77:d2:82:7e:f5:14:57:d5:0b:a5:87:16:4b:13:7e:8f:
        95:fb:a5:2e:38:4b:62:68:c5:6d:05:a8:c6:2c:e5:da:7a:5e:
        42:ee:11:12:38:b5:16:51:3a:dc:46:09:a7:96:3a:44:b5:55:
        4a:e8:3f:23
$