220 groundoOdoguess.co.uk ESMTP service ready
250-groundoOdoguess.co.uk says hello
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250-8BITMIME
250-AUTH CRAM-MD5
250-AUTH=CRAM-MD5
250-XACK
250-SIZE 0
250-VERP
250 DSN

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Wed, 15 Jan 2025 15:41:26 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block

nginx

HTTP/1.1 200 OK
Server: nginx
Date: Fri, 17 Jan 2025 03:36:49 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            04:39:45:a0:4a:93:cf:1b:3a:7f:69:d0:7b:d7:2c:cf:0c:57
        Signature Algorithm: ecdsa-with-SHA384
        Issuer: C=US, O=Let's Encrypt, CN=E6
        Validity
            Not Before: Dec  4 19:56:45 2024 GMT
            Not After : Mar  4 19:56:44 2025 GMT
        Subject: CN=mailmailing.net
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:0b:32:23:16:cb:75:46:53:27:96:4f:89:d3:28:
                    47:c3:ed:c4:df:06:a7:e2:8b:ab:b9:73:e0:07:45:
                    9b:85:5b:9a:2d:21:9e:75:1b:86:1f:c9:99:e2:7d:
                    64:41:c4:fd:02:1b:6f:41:58:8c:37:23:eb:c7:73:
                    11:bf:55:bd:d4
                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: 
                BD:AA:99:74:66:4E:1A:86:F8:5D:B7:2B:87:39:92:7A:DD:4D:BF:F9
            X509v3 Authority Key Identifier: 
                93:27:46:98:03:A9:51:68:8E:98:D6:C4:42:48:DB:23:BF:58:94:D2
            Authority Information Access: 
                OCSP - URI:http://e6.o.lencr.org
                CA Issuers - URI:http://e6.i.lencr.org/
            X509v3 Subject Alternative Name: 
                DNS:anderson.mailmailing.net, DNS:ashley.mailmailing.net, DNS:bailey.mailmailing.net, DNS:barreracampbell.mailmailing.net, DNS:beck.mailmailing.net, DNS:brownbriggs.mailmailing.net, DNS:cook.mailmailing.net, DNS:coopergarcia.mailmailing.net, DNS:cruz.mailmailing.net, DNS:diaz.mailmailing.net, DNS:durham.mailmailing.net, DNS:ellis.mailmailing.net, DNS:ericksonirwin.mailmailing.net, DNS:garrett.mailmailing.net, DNS:gill.mailmailing.net, DNS:gutierrez.mailmailing.net, DNS:hammondhoover.mailmailing.net, DNS:howell.mailmailing.net, DNS:johnsonreed.mailmailing.net, DNS:mailmailing.net, DNS:myers.mailmailing.net, DNS:patterson.mailmailing.net, DNS:pearson.mailmailing.net, DNS:richard.mailmailing.net, DNS:rodriguez.mailmailing.net, DNS:rogers.mailmailing.net, DNS:russo.mailmailing.net, DNS:salasflores.mailmailing.net, DNS:shields.mailmailing.net, DNS:smith.mailmailing.net, DNS:smithbeasley.mailmailing.net, DNS:spencer.mailmailing.net, DNS:williams.mailmailing.net, DNS:williamsonvalencia.mailmailing.net
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
                                D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
                    Timestamp : Dec  4 20:55:16.112 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:03:CE:C4:D0:00:C5:0E:92:A9:86:E0:83:
                                73:A4:AB:8D:8E:A6:37:C5:B1:D3:D8:69:D5:A6:AB:5B:
                                E9:5F:66:CE:02:20:79:92:3C:C7:AD:53:0E:51:74:8A:
                                A2:44:10:6E:CA:24:8C:40:22:AB:89:0A:7C:2F:E1:4E:
                                EC:7F:DA:22:F2:F4
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : A2:E3:0A:E4:45:EF:BD:AD:9B:7E:38:ED:47:67:77:53:
                                D7:82:5B:84:94:D7:2B:5E:1B:2C:C4:B9:50:A4:47:E7
                    Timestamp : Dec  4 20:55:18.107 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:14:17:12:2C:43:86:F6:D9:85:C7:C9:0D:
                                29:61:3B:F5:64:E6:25:2F:D1:30:5D:2E:73:44:52:2F:
                                C1:33:41:22:02:21:00:A2:83:4F:9A:A4:22:A5:2C:2B:
                                A2:A8:C2:67:28:62:94:C4:F0:9E:E7:DC:B3:58:68:68:
                                98:7A:E5:08:CE:10:22
    Signature Algorithm: ecdsa-with-SHA384
    Signature Value:
        30:65:02:30:36:e3:70:2c:38:6e:08:4d:64:3a:a6:6f:13:8f:
        e5:65:1a:7e:90:6d:9a:30:d9:82:f0:b9:82:e0:09:55:0c:0e:
        d8:d5:09:06:27:bf:41:d6:71:62:d6:af:3d:f4:7b:b1:02:31:
        00:8b:74:8b:6b:38:f6:dc:c2:66:4a:8a:df:cd:15:1d:a8:18:
        bc:5d:06:f8:86:5f:21:1d:2d:f3:89:13:b5:07:97:2d:72:14:
        c2:6d:21:a7:f8:89:fd:ac:f2:81:a9:78:c5

Squid http proxy5.5

HTTP/1.1 400 Bad Request
Server: squid/5.5
Mime-Version: 1.0
Date: Fri, 24 Jan 2025 20:49:24 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 3482
X-Squid-Error: ERR_INVALID_URL 0
Vary: Accept-Language
Content-Language: en
Connection: close