Postfix smtpd

220-mx1.ipoac.nl ESMTP Postfix
250-mx1.ipoac.nl
250-SIZE 35480000
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250-SMTPUTF8
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            04:ed:b7:13:af:ae:f9:f8:3e:7a:5a:d0:b0:b0:3b:9d:2c:6c
        Signature Algorithm: ecdsa-with-SHA384
        Issuer: C=US, O=Let's Encrypt, CN=E5
        Validity
            Not Before: Nov 14 10:08:46 2024 GMT
            Not After : Feb 12 10:08:45 2025 GMT
        Subject: CN=ipoac.nl
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (384 bit)
                pub:
                    04:9f:d9:48:b2:13:44:3f:cd:dd:e3:69:0f:00:dd:
                    78:ef:63:03:5e:39:69:f3:98:e5:44:89:92:e4:7d:
                    41:3d:f0:63:ba:30:59:a7:35:a2:86:73:38:7b:b6:
                    cb:ba:bf:3a:48:52:38:c4:2f:15:45:ea:6b:a6:2f:
                    8b:20:81:2e:bf:f5:44:e5:5f:78:80:b3:da:96:98:
                    73:74:7a:f6:b5:2f:da:c6:04:9d:5c:9a:39:e2:69:
                    3c:52:df:b6:66:5f:7d
                ASN1 OID: secp384r1
                NIST CURVE: P-384
        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: 
                21:46:A5:EC:57:31:D6:66:1B:BD:49:83:AA:77:68:7F:06:BE:01:A6
            X509v3 Authority Key Identifier: 
                9F:2B:5F:CF:3C:21:4F:9D:04:B7:ED:2B:2C:C4:C6:70:8B:D2:D7:0D
            Authority Information Access: 
                OCSP - URI:http://e5.o.lencr.org
                CA Issuers - URI:http://e5.i.lencr.org/
            X509v3 Subject Alternative Name: 
                DNS:*.ipoac.nl, DNS:ipoac.nl
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                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 : Nov 14 11:07:17.261 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:C3:82:D9:86:5A:B6:35:AB:3F:22:75:
                                A3:9C:AA:CF:93:4C:3B:1C:97:9C:F6:76:32:18:46:F3:
                                C5:01:B8:7F:9E:02:20:6A:E7:1A:B5:F1:A8:28:6A:E4:
                                99:98:9E:93:9C:75:B2:01:26:8B:D5:D9:E8:E1:FE:D1:
                                6F:54:2F:28:E9:B4:09
                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 : Nov 14 11:07:19.206 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:06:16:40:9B:7E:8D:64:13:64:20:AB:D6:
                                85:3C:23:75:C4:4A:CD:4D:56:DA:F3:21:B0:21:87:F7:
                                87:D6:54:A4:02:20:5E:C0:D8:EB:52:04:2C:AD:FC:E5:
                                38:F4:C5:54:13:46:24:92:7A:2D:8C:E1:29:6B:FF:EB:
                                1A:6B:EC:88:0E:C7
    Signature Algorithm: ecdsa-with-SHA384
    Signature Value:
        30:64:02:30:68:3a:f6:d2:a5:a9:03:eb:6c:45:ef:59:b4:5d:
        3a:d5:ab:97:94:44:80:43:f1:4f:02:8f:1d:d4:3a:b2:4e:92:
        f4:4e:ed:64:53:94:22:86:7e:5a:0e:30:58:9b:22:22:02:30:
        5c:58:58:23:91:8f:db:e0:42:9f:f6:76:d1:9c:7f:8d:cb:25:
        de:26:1c:17:51:24:93:eb:9f:ff:90:65:8d:41:38:3f:0f:07:
        d3:35:71:e2:f6:db:8d:08:54:fc:03:11

PowerDNS dns@ipoac.nl
Resolver ID: ipoac.nl

Apache httpd2.4.62

HTTP/1.1 200 OK
Date: Sun, 05 Jan 2025 21:20:09 GMT
Server: Apache/2.4.62 (Debian) OpenSSL/3.4.0
X-Weirdness: Hello fellow HTTP header inspector. Come and say hi over Mastodon/Matrix/email or whatever :)
X-Content-Type-Options: nosniff
X-Frame-Options: sameorigin
Referrer-Policy: same-origin
Cross-Origin-Embedder-Policy: require-corp
Cross-Origin-Opener-Policy: same-origin
Upgrade: h2,h2c
Connection: Upgrade
Last-Modified: Wed, 01 Mar 2023 04:18:06 GMT
ETag: "61-5f5ceffba236e"
Accept-Ranges: bytes
Content-Length: 97
Cache-Control: max-age=7776000
Expires: Sat, 05 Apr 2025 21:20:09 GMT
Vary: Accept-Encoding
Content-Type: text/html; charset=UTF-8

NTP
protocolversion: 3
stratum: 2
leap: 0
precision: -26
rootdelay: 0.000152587890625
rootdisp: 4.57763671875e-05
refid: 2562850658
reftime: 3944680196.32
poll: 1