SSL Certificate Checker Link to this resultWhat it does?

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            06:38:32:27:9d:a1:50:f5:0d:0d:c6:df:13:4b:3d:eb:38:4a
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R13
        Validity
            Not Before: Feb 21 22:01:09 2026 GMT
            Not After : May 22 22:01:08 2026 GMT
        Subject: CN=tile.memomaps.de
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:af:eb:3e:fc:71:02:9f:08:f7:3c:76:8c:c1:64:
                    9f:6a:dd:10:db:e7:35:1b:b9:99:69:2f:2e:1c:ff:
                    ab:f2:bb:9b:88:d9:46:49:36:82:b7:cf:2d:6f:6d:
                    11:1c:83:a8:66:20:db:44:5d:c4:9f:78:be:ab:51:
                    52:09:7c:2e:38:86:45:31:07:c3:23:86:cd:8b:07:
                    f9:7a:29:d7:c8:86:0d:a6:6f:6f:a0:f3:67:b3:2b:
                    22:a4:9d:af:8a:9f:52:d7:8b:20:9a:ee:8d:5f:61:
                    47:f8:d2:67:4d:8f:cc:e8:c6:bf:c1:43:03:cc:bb:
                    4f:82:cf:b5:db:f0:f1:53:6d:25:97:3b:c5:98:ca:
                    04:f9:19:b3:39:41:41:c5:bb:34:a3:07:85:ef:d3:
                    3c:e0:47:e1:39:14:4b:2c:f4:91:08:bd:4d:9b:1a:
                    98:30:b2:70:60:d6:5b:16:d2:50:4b:ab:a5:8f:fa:
                    c1:09:b2:59:1a:ba:22:6e:98:6e:ff:4e:0f:14:3e:
                    6a:a1:51:2b:32:ae:f1:74:61:7e:3c:57:14:54:d7:
                    53:b1:3a:50:f2:8d:3e:93:bb:d0:39:76:91:3e:94:
                    d5:c9:e5:ff:31:ab:5b:c5:31:bd:e7:c0:37:02:bd:
                    63:dd:9f:ac:82:a8:f8:33:b4:69:98:4e:f2:6b:d7:
                    29:c3
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                02:6D:5E:16:3F:67:F7:FE:41:F8:B4:BD:41:B7:B5:0B:D4:00:88:FC
            X509v3 Authority Key Identifier: 
                keyid:E7:AB:9F:0F:2C:33:A0:53:D3:5E:4F:78:C8:B2:84:0E:3B:D6:92:33

            Authority Information Access: 
                CA Issuers - URI:http://r13.i.lencr.org/

            X509v3 Subject Alternative Name: 
                DNS:tile.memomaps.de, DNS:tileserver.memomaps.de
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1

            X509v3 CRL Distribution Points: 

                Full Name:
                  URI:http://r13.c.lencr.org/75.crl

            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1(0)
                    Log ID    : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E:
                                F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7
                    Timestamp : Feb 21 22:59:39.410 2026 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:0B:CC:18:00:00:A0:72:EF:AA:01:90:9F:
                                04:E0:5D:59:3D:92:DC:EB:A2:7E:B3:E4:D6:4F:AF:83:
                                B0:30:6B:86:02:20:53:65:D6:F9:30:AF:AC:5E:B3:4D:
                                E1:E2:25:BD:9B:42:1E:05:12:EC:7B:B3:90:26:B3:02:
                                8F:6D:29:23:DC:02
                Signed Certificate Timestamp:
                    Version   : v1(0)
                    Log ID    : E3:23:8D:F2:8D:A2:88:E0:AA:E0:AC:F0:FA:90:C9:85:
                                F0:B6:BF:F5:D2:A5:27:B0:01:FC:1C:44:58:C4:B6:E8
                    Timestamp : Feb 21 22:59:39.523 2026 GMT
                    Extensions: 00:00:05:00:33:52:E3:7C
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:F5:17:57:B9:66:38:B1:CB:48:76:94:
                                CD:FC:B3:01:F9:38:8A:91:45:1E:6E:1C:33:79:AC:7D:
                                69:E3:FE:A6:1A:02:21:00:F9:ED:CC:08:E0:D9:81:44:
                                C1:13:BC:74:2D:AF:BE:0B:F5:3E:AE:02:38:79:A9:DB:
                                5E:27:EE:6B:6E:75:F5:6C
    Signature Algorithm: sha256WithRSAEncryption
         4d:c2:3a:9b:29:bb:26:94:c7:9d:26:57:b5:19:23:a3:eb:4f:
         f8:a1:ca:36:7c:5b:78:29:bd:b4:2b:2d:75:d4:72:5a:7f:dc:
         84:5c:ac:fc:65:9a:f3:4f:37:b1:d0:90:99:0b:29:df:69:6b:
         60:bb:b1:b2:30:d8:bb:2f:7d:11:2c:13:81:0b:7c:2a:c2:58:
         f1:70:7d:47:1f:1d:d8:a4:1c:cb:89:7f:08:cf:a1:e2:8c:19:
         2c:f6:ea:83:e1:b8:db:e9:f0:5c:06:51:a0:61:66:10:f6:d7:
         23:39:ab:a5:ee:ca:ef:42:96:d3:1f:e0:ae:10:ff:d2:85:c3:
         ce:74:16:a7:d6:a4:9f:60:1e:0b:e7:23:72:52:07:67:31:3c:
         a4:4d:15:5e:a1:0c:f7:74:9f:c7:98:5f:1c:c2:4a:5b:1f:91:
         9a:db:f2:59:e3:57:ca:2b:d5:1f:55:03:7b:24:e7:f4:9a:fc:
         74:a8:9b:cd:20:99:e3:38:88:c9:f2:85:56:c0:11:42:b1:91:
         b0:6c:57:1d:ca:7b:41:2d:f9:01:51:ab:f4:51:68:21:2d:0c:
         7a:30:6e:c4:bd:d1:a8:a1:68:f5:c1:20:a2:5d:49:04:69:6f:
         d6:2d:47:5f:c1:6c:5a:ff:eb:5e:ef:40:92:37:8d:f8:04:9f:
         18:e3:47:a7
-----BEGIN CERTIFICATE-----
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BJ8Y40en
-----END CERTIFICATE-----