Postfix smtpd

220 r2.refer.ru ESMTP Postfix (Debian/GNU)
250-r2.refer.ru
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

Certificate:
    Data:
        Version: 1 (0x0)
        Serial Number:
            e7:ed:43:e2:25:62:b7:07
        Signature Algorithm: sha1WithRSAEncryption
        Issuer: CN=localhost.localdomain
        Validity
            Not Before: Sep 13 15:11:10 2011 GMT
            Not After : Sep 10 15:11:10 2021 GMT
        Subject: CN=localhost.localdomain
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:a1:00:b8:4c:74:9d:0e:98:74:44:c0:0e:be:33:
                    81:ba:36:41:b3:78:66:f2:2b:95:84:84:3f:21:11:
                    ff:6d:1d:c2:94:58:98:ba:cd:73:ff:46:b1:34:30:
                    29:f9:1b:e5:29:e8:a2:72:99:a0:7b:01:5f:e8:45:
                    3f:06:bb:9e:a5:36:25:89:cd:1f:c7:73:3f:56:f7:
                    30:52:22:b2:07:81:f8:22:53:c1:b4:c4:13:f7:74:
                    c0:fd:37:8e:8c:58:c0:c7:42:a7:68:1a:f9:f6:02:
                    17:6f:b8:82:3b:03:be:89:be:22:16:01:61:4d:98:
                    e3:51:5a:5e:b9:3b:ca:e3:1d:bb:b2:0d:51:a9:b5:
                    fb:b5:7a:50:2c:00:1b:e1:a3:ee:0a:5a:77:7b:df:
                    10:8b:77:37:2a:23:84:df:5b:89:7f:0e:cc:ee:4f:
                    b5:1f:de:45:99:c0:e3:24:05:00:ed:d2:70:b2:f3:
                    f9:b7:2d:19:c1:88:39:6a:11:35:f9:86:44:08:9f:
                    74:20:6c:28:68:c5:f5:2d:e1:f7:d6:5f:fc:a9:56:
                    92:5c:4f:4c:83:ea:16:2a:81:19:bc:16:10:1e:69:
                    c2:f5:69:88:db:f4:77:ae:a9:fa:65:fe:06:c9:33:
                    48:cf:18:25:a2:44:60:72:e7:93:ac:d6:aa:46:37:
                    d6:5b
                Exponent: 65537 (0x10001)
    Signature Algorithm: sha1WithRSAEncryption
    Signature Value:
        77:82:f9:ab:7e:aa:84:ef:93:92:73:4f:c6:0e:e4:2e:2a:a3:
        95:cc:7e:bb:d0:ef:3c:fe:5f:85:35:82:5e:ed:3a:b3:17:68:
        68:f0:99:6b:64:91:c0:37:91:c8:99:dd:4d:c4:4e:2a:a0:e1:
        80:fc:f1:8a:9f:e6:7d:25:9e:6d:00:b6:11:0e:84:f3:32:ab:
        e5:84:82:34:29:6b:43:ed:a1:fb:4e:d0:18:cd:9c:e2:49:da:
        9f:f6:47:55:6e:eb:7b:b2:c8:d0:ad:dd:ab:6c:56:a8:6a:93:
        cd:a8:9e:8b:3a:85:db:e4:11:73:7c:e9:7b:83:96:df:ce:fa:
        21:d0:63:15:d5:ef:79:f9:40:fd:d9:e1:39:a7:5d:48:3e:9f:
        fd:ec:b1:48:40:65:60:01:f1:f9:8d:9a:bc:c9:39:91:c1:ac:
        3f:bd:a3:7d:76:d3:71:7f:e1:9a:a8:8c:25:c6:79:a0:b7:87:
        38:99:0c:7c:76:bc:02:8f:ac:04:35:d2:99:63:2e:46:bf:f8:
        22:ca:50:5a:cf:18:73:7b:60:6e:e9:26:cb:d6:47:25:ad:96:
        3c:12:01:89:ae:31:4e:5f:9e:c8:4b:ba:0c:c1:ed:ed:35:af:
        88:b0:35:28:27:dd:c2:fc:53:13:66:8c:f8:58:8d:87:c7:90:
        2c:b1:73:22

9.7.3
Resolver name: r2

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Thu, 23 Jan 2025 13:55:56 GMT
Content-Type: text/html
Content-Length: 1
Connection: keep-alive
Last-Modified: Thu, 15 Dec 2011 10:08:11 GMT
ETag: "27a172c-1-4b41ea96798c0"
Accept-Ranges: bytes
Vary: Accept-Encoding

SSL Error: ALERT_HANDSHAKE_FAILURE

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            c0:c8:b0:c5:ae:80:e3:e7
        Signature Algorithm: sha1WithRSAEncryption
        Issuer: C=RU, L=Msk, O=Segin, CN=admin.rlu.ru
        Validity
            Not Before: Apr 23 18:32:56 2018 GMT
            Not After : May 23 18:32:56 2024 GMT
        Subject: C=RU, L=Msk, O=Segin, CN=admin.rlu.ru
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (1024 bit)
                Modulus:
                    00:c7:fc:ef:c3:87:3a:81:3b:48:f0:4c:5b:d3:9b:
                    ab:eb:65:85:9f:a0:08:1f:a7:59:73:57:29:3a:a3:
                    49:77:d1:48:b7:a0:1f:62:82:12:8e:d3:0f:56:94:
                    3f:a4:55:cb:98:f6:b8:40:f3:a0:95:2c:a0:b1:d4:
                    fa:cf:41:5c:59:28:06:54:f7:55:d2:9a:fa:83:30:
                    79:16:28:3c:a0:be:ee:84:19:10:b8:4c:0c:ae:3d:
                    a2:bd:3e:f3:87:18:93:e9:b1:c7:c8:6c:94:ce:16:
                    0e:b2:9e:cf:4f:3e:6c:28:14:92:5a:55:6f:cd:bb:
                    7c:07:58:68:80:f1:55:3e:eb
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Subject Key Identifier: 
                96:7B:D4:19:9E:CD:67:3A:3E:67:24:7A:87:27:CD:E8:F4:2C:D4:48
            X509v3 Authority Key Identifier: 
                keyid:96:7B:D4:19:9E:CD:67:3A:3E:67:24:7A:87:27:CD:E8:F4:2C:D4:48
                DirName:/C=RU/L=Msk/O=Segin/CN=admin.rlu.ru
                serial:C0:C8:B0:C5:AE:80:E3:E7
            X509v3 Basic Constraints: 
                CA:TRUE
    Signature Algorithm: sha1WithRSAEncryption
    Signature Value:
        b0:47:b6:4f:ab:14:61:fd:b1:8e:f4:d3:f6:35:d1:63:2b:94:
        87:af:12:a6:69:2b:d3:52:7d:9a:c6:5f:4d:a0:4f:9e:2d:93:
        08:d4:1a:99:9c:7e:09:4a:89:d1:5f:25:3f:75:11:6d:0c:48:
        c0:63:32:2c:fe:0e:70:70:8f:73:61:88:17:c6:87:fe:7b:e7:
        14:20:c8:fe:56:85:e5:3c:16:55:c1:76:ad:26:a4:a9:c1:7d:
        8f:cf:2c:f3:cb:c4:4a:14:65:0d:b4:37:ab:56:dd:85:87:ff:
        5c:60:13:c2:f0:2c:9e:a9:5f:fb:86:aa:99:c3:9b:e7:70:dc:
        71:28

MySQL

MySQL:
  Error Message: Host '224.221.88.100' is not allowed to connect to this MySQL server
  Error Code: 1130