{
    "ok": true,
    "domain": "eur.nl",
    "generated_at": "2026-08-09T08:02:08-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 89,
        "label": "Good",
        "categories": {
            "dns": 90,
            "mail": 100,
            "security": 84,
            "network": 50,
            "availability": 100
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "1 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "4 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
            },
            {
                "category": "dns",
                "title": "DNSSEC chain",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0,
                "detail": "DS and DNSKEY detected."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "185 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16,
                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: cms-prod-single.eur.nl"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
            },
            {
                "category": "network",
                "title": "IPv6 connectivity",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
                "detail": "AAAA availability."
            },
            {
                "category": "availability",
                "title": "DNS resolution",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0,
                "detail": "At least one address family must resolve."
            },
            {
                "category": "availability",
                "title": "HTTP response",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0,
                "detail": "HTTP/1.1 200 OK"
            },
            {
                "category": "availability",
                "title": "HTTPS final URL",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
            }
        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "IPv6 (AAAA)",
                "detail": "0 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "4 NS record(s); 2 or more required.",
                "category": "dns",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SOA record",
                "detail": "Authoritative zone record.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DNSSEC chain",
                "detail": "DS and DNSKEY detected.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "2 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "185 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "5 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: cms-prod-single.eur.nl",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15
            },
            {
                "level": "error",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "DNS resolution",
                "detail": "At least one address family must resolve.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTP response",
                "detail": "HTTP/1.1 200 OK",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
    "dns": {
        "records": {
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                "145.5.1.13"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
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            "TXT": [
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                "\"google-site-verification=7G3yzcbmHsVEQ1d5JQbX_TYGFOQMm5mc1R7-LwRX5V8\"",
                "\"apple-domain-verification=39o70d6krwowTWam\"",
                "\"atlassian-sending-domain-verification=a3167b86-dd70-4cce-afe1-483a0ea29125\"",
                "\"mentimeter-0cdafe6f-52e8-4f3d-95f1-fb128dba4fae\"",
                "\"onetrust-domain-verification=998a55c3893542bf9fd293e5d43cace6\"",
                "\"HARICA-18cc123R6Bfy4Wo8aii\"",
                "\"DomainVerification=PB6MCJE440ENQI4R30H3SC344Z8YTY1ZMU1EMMYM0V4PX5QX4LBJGFFMHCXFZFWX\"",
                "\"lucidlink-verification=4J4J8ENHA0YP2VC3V34NSSGXBC\"",
                "\"miro-verification=3398bd3172ee4fdacc0f52cbb57f29046f36b258\"",
                "\"v=spf1 include:spf.protection.outlook.com include:_spf-dc33.sapsf.eu ip4:145.5.189.2 include:spf.flowmailer.net include:_spf.trinico.net include:spf.mailcamp.nl -all\"",
                "\"atlassian-domain-verification=kURX4B7iRnGEndh49X3Y8rq2tTKFeUqiqh2n6sCvxAgB7mN5kIgFkEKhN1/Bq6h4\"",
                "\"HARICA-7uE5IN7UTwVmW4csP9O\"",
                "\"d365mktkey=9ORp7o73g5MCxKaBRiogxHXoYpxC3PXlNbBwawcGZTYx\""
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            "NS": [
                "ns1.surfnet.nl.",
                "ns1.zurich.surf.net.",
                "ns2.surfnet.nl.",
                "ns3.surfnet.nl."
            ],
            "SOA": [
                "ns6.eur.nl. dnsmaster.nic.eur.nl. 2014622306 86400 3600 2419200 900"
            ],
            "CAA": [
                "0 issue \"sectigo.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"harica.gr\"",
                "0 issue \"harica.gr\"",
                "0 issuewild \"letsencrypt.org\"",
                "0 issuewild \"sectigo.com\"",
                "0 iodef \"mailto:cert@eur.nl\""
            ],
            "DS": [
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            "DNSKEY": [
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                "257 3 8 AwEAAcBLhDBeomK2kDgdc5qg832K9KkqFZ5QWLjmgOFnUHtwabpLzK+5 DkBgbCXnh7sTzjk2Yy74pDTg4EW5u4H4V5P1Aui3o82wQq8BI45nhy6q sbHAHBxLM2IicdcMiK3hNs4ZZRam/Thd2BBZdu8NzY6Cq/SRugVNdv9G TWvGw9Yl3CQJCq2Snm7b/FzBmq2dpzYp1c4eufZIZQRMs4YRL295IZjT dERQjS4eTOqK+knavzKoJLvWZr3+Jcbb1W9CBxEojW9OGdm13cQzpsJr B4rFdL/PgCoDbf4+M50qHpAvHWn+8qbkv2PfBaG/DrrAF8J3SFfc7fTR BGTiexmvSIc=",
                "256 3 8 AwEAAbHB4PW0sK57fQ53Jb8D8jCPjlkFPMi+JW0tjAiIrMZYGJYPk40M 3ec9PcMtBIWZmQlEO9WLDm+te2DTNubpLLxurCS83DDZwD12rukGNzM0 7UE6GlbrtZGTfuTYH9Wiw3FzqbzXpOPgCA4glGHTeHwZpYe6Y+6waRpp XAOJjmDNuXdoHPrLmVVaYunILP/x1Z7OYztxLATaOZT2F7l2SkxQ1yno W0mAZVjUEqy8ONWKK8u8I0njbikUNI5O1Je93aJvVUxKO6MNpk0J3/e9 WFFO4yZt3RGs92PB3I/0eJv/sFNcalEH1zFToNCfpkmZZDNnZXDKqp87 0Ev3w6DEWO0=",
                "256 3 8 AwEAAbXDh0rCi7uiZyqe3HclHdsFhimmFuAtjujMpR4lqxO0n1wkNrf4 TenEzSilS+Gbnr2rtNfgcaSBrA0JN71Lc16hIkDdfkIkJNfOi4l07umn d8RndEhV6gyJBeL/Es194PiKiyrX9W3KYhrPPG2hLOu6iDczaRbVlhz+ LFlCMsJeKzXWNX5dnuPgkRJ1tblk4oD4I1S6Zs5t8vlK5P2vF7yhK9xC zqRYDcQm3GlaP6g5zSgcoFmib9/V45e+smjtrgaEHHdVBjyxjrxq5uoz JYCOSidP4jUp7I+wF/dipXAm4E7LTLfw7J20oPoa5Dn6xRDr8FERSvhh x9IzqGREfw8="
            ],
            "RRSIG": [
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                "TXT 8 2 28800 20260812204554 20260808194554 62223 eur.nl. tKPO1cqFD+EkPPEMTeY8R5I0btxvUrVZ2Dpr1emwR0bngAx0+xmsvHa1 aFO37HV1EtBI+4/kJ8Zgc28OwTnnbKv8ZsOsqplf9O3Zhtfr6G1MTmc6 s2lESSHfbzMJz4fd6g0gzaxhqx99X9uTqTPJaHe+6N2aF4mdzPM+ugni 1UcU9iHULU9D5pP5b4+4+5nr5M2l6nhq5AMnOhArFb6C92iUN+IrHR+S TIpz3VUYLu9XIyrrPWCnCEn3zkjAtTXfAMa2EhPhFMkE1yX9u8OhYv5I Bv03ufoypsJcroBX4P8UauFuJBBJJOmFS07+ieN2Ijn9pWAVX0betREQ WcK49A==",
                "MX 8 2 600 20260812204554 20260808194554 62223 eur.nl. Fm9wK/cDojdXX286H1jW79tkjNwvkaA9efSEp5LUgJtoIq4nLp5B1Y8d Grw0ocw0ruVjN4gvGsiKq+8JOxJXudDA0jpGJo0koGbkC9MgPNrmWtnx oeXTXceJHynUaVYIH3FgU41Y9A1psmg/n9nWTpBd35vM/x7XkylKDOp2 pwR4IypRH6r5ZYlscBA9ER2T4NUagX9ZT6CKpmeygCg+9nzhw7WQPqVV RfVl7l3luhHZ0tzGMu5Uufy9OG+Owqb66CLrtQqjjxsODUE3sdAXYmXy JXBwanjB89IgBPrGsgzSorZ20nZ71LZvnqSnOAc9uNQ51gBSMye3W7Yo +Gh7eQ==",
                "DS 13 2 3600 20260904060138 20260806210824 467 nl. +ncd2+KDZ5r0pn+lD5zVX2DlxBVGOhrY5ITav2dgmQiarcMsHIBMPqAk 6O1Gm2wH/lajZ+nDXjCWeB0xM7oGZQ=="
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "145.5.1.13"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:spf.protection.outlook.com include:_spf-dc33.sapsf.eu ip4:145.5.189.2 include:spf.flowmailer.net include:_spf.trinico.net include:spf.mailcamp.nl -all",
        "dmarc": "v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc@2y0adusw.uriports.com; ruf=mailto:dmarc@2y0adusw.uriports.com; fo=1:d:s",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.eur.nl",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtdhgsyLtzrPjC37nbF0pwL1HIHHgRleRKynTA0ORwGcsVVHsY8Z7/cLP2jTHTvKuMDh7YIiv4cM6o5zXo39D87BcFGwwqMIZGGW7D2gjNwufz8m7GZcjTdRS/4DSRn0u+bHfENw+lvc/uBVWLHR8wrphLtNeDK8I4RPmhIZEMWIbJovrKWh2Cve2ZGv4A8W8wInuHno6oXPLus5+KFElbUIct4Kta6Tml4nSQhpkoL8MoZDZfvSXVXg6lpxb0Dj5TwCfHwCHsu8+c6rOILCOfuxOd4T3gFpQetwfWSDgCQuluGprwfXvykjHkYCdNi6zfFSE+CSFLKY5+BplntsPHQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "v=STSv1; id=20260325160849Z;",
        "tls_rpt": "v=TLSRPTv1; rua=mailto:tlsrpt@2y0adusw.uriports.com"
    },
    "advanced": {
        "ptr": "cms-prod-single.eur.nl",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "145.5.1.13"
                    ],
                    "time_ms": 142.34
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "145.5.1.13"
                    ],
                    "time_ms": 492.3
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "145.5.1.13"
                    ],
                    "time_ms": 164.83
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "145.5.1.13"
                    ],
                    "time_ms": 442.82
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "145.5.1.13"
                    ],
                    "time_ms": 146.08
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Hellenic Academic and Research Institutions CA",
        "subject": "maritimeeconomics.com",
        "valid_from": "2026-07-27T04:17:38-05:00",
        "valid_to": "2027-02-11T03:17:37-06:00",
        "days_remaining": 185,
        "san": [
            "maritimeeconomics.com",
            "www.ihs.nl",
            "eur.edu",
            "www.risbo.nl",
            "www.iss.nl",
            "cms-prod-single.eur.nl",
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