Postfix smtpd

220 Nklyin.localdomain ESMTP Postfix
250-Nklyin.localdomain
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 SMTPUTF8

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 12232 (0x2fc8)
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=--, ST=SomeState, L=SomeCity, O=SomeOrganization, OU=SomeOrganizationalUnit, CN=Nklyin/emailAddress=root@Nklyin
        Validity
            Not Before: Mar  3 10:07:37 2025 GMT
            Not After : Mar  3 10:07:37 2026 GMT
        Subject: C=--, ST=SomeState, L=SomeCity, O=SomeOrganization, OU=SomeOrganizationalUnit, CN=Nklyin/emailAddress=root@Nklyin
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (4096 bit)
                Modulus:
                    00:be:c0:e2:92:2d:dc:97:0d:93:63:f0:46:87:04:
                    df:0d:f4:0b:4c:78:e0:30:19:a0:1a:66:d1:1b:0f:
                    14:ba:0a:61:cf:df:a7:81:07:7f:c0:c9:33:e5:66:
                    de:c5:c3:b3:50:d1:51:78:fa:76:24:4b:c0:f4:61:
                    f1:51:49:7a:43:88:6b:9a:2b:69:a3:88:95:c2:09:
                    e5:01:45:bd:25:74:3e:05:d3:e9:43:bd:bb:b8:35:
                    c1:f5:cd:23:29:47:ce:9e:9e:34:1c:79:95:15:eb:
                    c6:f8:b7:73:86:7c:7b:b1:d6:00:a4:82:e4:5e:f7:
                    32:e9:e0:43:61:c2:d1:da:63:01:50:61:93:ba:c4:
                    1a:4d:8a:dc:dc:ba:d7:a0:b4:f3:93:28:31:41:38:
                    35:9e:3c:c9:3f:24:75:cb:8d:ed:12:ed:b4:6d:f0:
                    d2:e1:4f:d7:64:68:0c:6f:43:00:5e:5e:0b:ed:2e:
                    07:d4:90:22:a0:ec:e4:f1:7a:19:97:e4:97:cf:7d:
                    29:bc:35:12:ee:a4:11:dc:ea:58:85:ea:41:c4:72:
                    6a:bd:ef:70:f5:8f:ab:47:0d:2a:15:0f:b5:6c:79:
                    dd:5f:9d:91:bb:8f:12:3c:15:4d:f6:25:ae:e6:4a:
                    e8:be:7d:1e:c7:c2:6e:95:13:ba:cd:90:b4:f4:aa:
                    c1:36:2c:91:dd:78:86:3a:37:4f:24:35:b0:94:a0:
                    f6:45:af:cd:d0:13:2c:b6:97:6d:3f:fb:d6:fc:a5:
                    f3:47:30:27:fa:df:30:1c:e6:e8:2a:60:64:aa:5e:
                    a5:f7:41:b4:f0:da:37:9c:e9:08:bb:3f:8f:bb:e8:
                    13:e5:c2:d2:28:29:44:5c:ae:74:4a:f4:78:5b:e7:
                    fc:1d:e6:fc:f3:bd:67:9a:a2:0f:0c:a1:a3:09:86:
                    84:b7:01:fc:a8:63:8e:6f:1e:8b:a9:69:ee:b3:ae:
                    c9:53:eb:f9:32:a2:07:f4:b5:96:2e:2d:cf:43:7b:
                    5f:25:75:64:1e:cf:8c:f4:f1:8e:2f:dc:47:85:93:
                    f6:41:2c:3c:c7:e4:3b:8a:aa:eb:26:cd:9f:82:d8:
                    64:f1:0f:cd:60:b5:ac:e7:01:85:85:c4:45:09:b5:
                    90:20:24:c5:df:8f:7a:4a:34:87:56:67:0d:ef:25:
                    57:b8:b3:f2:de:e5:89:e5:e5:39:13:8a:c4:16:d1:
                    e5:36:0c:3e:2a:68:cb:88:4d:39:29:da:cc:65:e4:
                    00:78:ba:fd:d7:69:5c:34:d0:64:0a:d8:53:37:3c:
                    ba:18:5e:0f:d1:7a:f9:a5:7c:bf:28:48:95:d4:e6:
                    37:ff:a6:38:7e:b5:14:4a:04:80:72:6a:e6:84:89:
                    06:70:c7
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                C9:F9:B4:0B:0E:3E:8E:27:D3:86:42:8D:26:DF:7E:59:0F:71:05:65
            X509v3 Authority Key Identifier: 
                C9:F9:B4:0B:0E:3E:8E:27:D3:86:42:8D:26:DF:7E:59:0F:71:05:65
            X509v3 Basic Constraints: critical
                CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        89:e1:54:0c:4e:e8:a9:07:e0:dd:4e:cb:39:3a:d4:c6:b3:70:
        59:cb:f9:1a:8b:41:52:70:53:36:a5:ba:a9:16:92:f1:25:86:
        0c:a0:ca:4e:9b:62:33:2e:a1:19:c9:55:f6:e2:b2:1f:4a:c4:
        b2:05:33:2f:fd:db:8b:62:a6:0b:ef:e8:80:fd:33:b5:b6:5a:
        b6:8f:3f:95:93:7f:48:90:9c:97:50:dd:ac:f9:5b:f6:0a:d1:
        1d:5d:05:2c:c6:8f:88:4a:57:d2:91:ce:f9:25:75:e1:54:3e:
        02:bd:f7:2d:ed:3a:dc:10:dc:a9:40:d1:43:0c:73:d6:75:16:
        e3:c6:f6:e4:8a:95:5a:33:a5:2e:f2:af:17:cf:58:54:2b:1e:
        81:f3:ba:c3:b0:8d:73:6d:6c:70:95:1a:06:fd:30:b4:33:14:
        a5:18:4a:5e:47:34:fe:ba:f6:f0:af:18:b0:23:91:93:b9:d6:
        30:39:54:5e:30:09:89:85:16:5b:65:4a:1a:c1:32:c5:b9:2d:
        11:9a:0f:31:f7:87:66:c1:61:fa:23:c5:db:52:d5:e2:31:d0:
        16:50:aa:7c:99:05:4b:9a:12:1c:40:4c:cf:98:e4:91:23:1e:
        4c:eb:1b:36:df:c6:fd:bc:71:18:eb:2e:cf:aa:a2:18:52:10:
        25:bc:a7:79:20:a4:60:bd:d2:65:08:ac:93:5f:d6:9a:33:90:
        af:f4:80:68:1b:69:6c:d4:82:f3:53:1e:1a:23:f9:b2:23:ef:
        ab:69:9f:8f:07:c1:60:8c:73:1f:dc:03:27:1c:bc:b6:06:4a:
        ce:05:ef:dd:6b:c9:7f:ab:01:67:ec:68:db:9b:96:f9:79:5e:
        2c:3d:00:fd:02:10:e8:4b:8f:d5:22:7d:34:1c:e6:79:74:6b:
        d0:ae:c0:69:d7:6c:52:b4:12:5f:93:a1:af:68:14:24:76:e4:
        ca:bf:97:17:f1:dc:aa:1e:20:e6:9e:44:c1:79:8e:b9:b0:ba:
        3a:e0:db:e1:f1:8e:d4:fb:4c:2f:fa:ee:49:4d:a8:c7:24:2c:
        32:9f:68:7f:c9:58:77:1a:db:c1:e7:f5:87:3d:53:e5:49:ad:
        f6:76:e8:24:50:93:a0:bc:4b:39:ce:4c:b9:1d:de:3c:3b:a3:
        f3:32:58:fe:9d:4d:7a:98:ff:35:af:58:ec:e6:69:75:af:bd:
        7a:ba:c3:15:2d:0f:19:00:cb:27:85:23:b5:20:d8:2c:81:61:
        68:ae:03:5a:51:b0:61:b9:47:74:de:7a:94:67:d1:6f:0a:cf:
        41:12:22:44:6d:d1:55:a2:49:87:0c:73:68:80:7e:3d:9e:10:
        ab:40:cd:8d:13:03:fc:80

Microsoft HTTPAPI httpd2.0

HTTP/1.1 404 Not Found
Transfer-Encoding: chunked
Server: Microsoft-HTTPAPI/2.0
Date: Tue, 18 Feb 2025 22:05:11 GMT

VNC

RFB 003.008

VNC:
  Protocol Version: 3.8
  Security Types:
    2: VNC Authentication