220 esrec.acadiagis.com ESMTP service ready
250-esrec.acadiagis.com 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
Date: Sun, 23 Mar 2025 22:09:47 GMT
Server: nginx
Connection: keep-alive
X-Powered-By: PHP/7.4.33
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Content-Length: 20317
Content-Type: text/html; charset=UTF-8

nginx

HTTP/1.1 200 OK
Date: Sat, 29 Mar 2025 11:10:33 GMT
Server: nginx
Connection: keep-alive
X-Powered-By: PHP/7.4.33
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Content-Length: 20317
Content-Type: text/html; charset=UTF-8

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            04:f8:d2:96:62:77:4a:f8:7f:8f:15:a7:e1:a4:4c:44:c8:f5
        Signature Algorithm: ecdsa-with-SHA384
        Issuer: C=US, O=Let's Encrypt, CN=E6
        Validity
            Not Before: Mar 11 08:14:43 2025 GMT
            Not After : Jun  9 08:14:42 2025 GMT
        Subject: CN=acadiagis.com
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:6b:14:73:d5:d8:d0:8c:82:08:be:ee:21:48:80:
                    fc:bb:c7:b2:c7:c9:bb:88:3c:1e:0a:2a:3d:ed:f4:
                    ef:0f:ea:08:90:3c:6e:d3:bf:75:ae:06:bf:21:63:
                    fa:e0:34:ee:d3:c8:d0:24:20:a4:8f:a9:08:7b:a5:
                    6f:7f:9a:87:40
                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: 
                9C:A5:19:32:37:75:99:D6:F9:96:5E:10:C0:88:A7:27:10:DE:B3:71
            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:acadiagis.com, DNS:esrec.acadiagis.com, DNS:imbara.acadiagis.com, DNS:klaus.acadiagis.com, DNS:mta-sts.acadiagis.com, DNS:tanca.acadiagis.com, DNS:www.acadiagis.com
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : DE:85:81:D7:50:24:7C:6B:CD:CB:AF:56:37:C5:E7:81:
                                C6:4C:E4:6E:D6:17:63:9F:8F:34:A7:26:C9:E2:BD:37
                    Timestamp : Mar 11 09:13:14.136 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:84:D8:75:0E:98:74:38:A7:9D:86:4A:
                                35:D9:67:09:E1:B4:89:D7:EA:BA:27:97:A7:6D:D3:D5:
                                D8:B0:75:A8:66:02:21:00:E5:E8:DB:6B:3D:8E:6E:C4:
                                D7:76:43:96:40:82:A5:4D:A7:36:80:2F:DC:92:C3:D5:
                                D2:86:46:5D:67:F7:06:3D
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : CF:11:56:EE:D5:2E:7C:AF:F3:87:5B:D9:69:2E:9B:E9:
                                1A:71:67:4A:B0:17:EC:AC:01:D2:5B:77:CE:CC:3B:08
                    Timestamp : Mar 11 09:13:14.189 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:46:FD:DC:6B:E5:6E:0A:5B:43:3B:E3:00:
                                B8:4F:C9:E6:95:DD:34:33:24:AC:BE:C6:15:17:88:4D:
                                78:85:3E:8D:02:20:7D:35:48:7B:59:89:F9:12:9C:FF:
                                EC:66:A7:C8:68:BA:6B:2D:AF:6C:91:76:03:5B:3B:E7:
                                6A:96:BB:64:C7:14
    Signature Algorithm: ecdsa-with-SHA384
    Signature Value:
        30:66:02:31:00:d3:10:cb:8e:8a:db:71:89:fd:4a:38:75:21:
        ae:1f:a7:05:f7:76:61:a1:f0:35:e5:ec:92:20:c0:cd:57:55:
        bd:49:c0:74:86:15:e6:7f:44:1f:31:cb:ce:7d:57:cc:33:02:
        31:00:81:da:c0:1b:e9:44:de:85:b7:e2:64:78:9c:e6:4e:13:
        88:dc:52:d0:64:88:c2:20:a2:3e:71:f5:a6:da:2d:69:1c:bd:
        c6:61:48:a4:ac:95:dc:f2:83:a8:e6:cd:b8:87