{
    "ok": true,
    "domain": "fd.nl",
    "generated_at": "2026-08-10T07:45:22-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 90,
        "label": "Excellent",
        "categories": {
            "dns": 100,
            "mail": 90,
            "security": 81,
            "network": 70,
            "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": "2 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "2 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 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": "1 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": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "84 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": 16,
                "lost_points": 19,
                "detail": "4 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "detail": "Two or more IPv4 addresses receive full points."
            },
            {
                "category": "network",
                "title": "IPv6 connectivity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "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/2 200 "
            },
            {
                "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": "2 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "2 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "2 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": "1 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": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "84 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": "4 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 16,
                "lost_points": 19
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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/2 200 ",
                "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": {
            "A": [
                "104.18.5.25",
                "104.18.4.25"
            ],
            "AAAA": [
                "2606:4700::6812:519",
                "2606:4700::6812:419"
            ],
            "CNAME": [],
            "MX": [
                "0 fd-nl.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"apple-domain-verification=ohpio7P4S9PrlPDD\"",
                "\"jamf-site-verification=wNzu7gIMXwjaOVyWg3hZ9Q\"",
                "\"MS=ms92976339\"",
                "\"atlassian-domain-verification=TpCyhJgalgsl0M3jx4aWyVrWWKRKc6tpFneHnfDABzPVxAcoi6Z8ayx9jkn9vvRA\"",
                "\"google-site-verification=nOmefkGvIw-wDN5uyN5JU5A1DKsPPfgjnUFQIa_5jYs\"",
                "\"facebook-domain-verification=hi6rog2knls6jzz57gd360uibxkmv7\"",
                "\"knowbe4-site-verification=f4e720539fc0563ac7b4133fe8cbc1a1\"",
                "\"detectify-verification=7de311e84a6063fff17282c48efbcba6\"",
                "\"7FG7WQf7+A3nngNh7vVaeG4e/WkKNNKx3OcKmHeAmLk4vAQB1DjlrHQc3Y+GlcRshrdLPv4M0n+F+tguoNQJ8Q==\"",
                "\"wiz-domain-verification=f7b6e6e8de8f935badf641d3a2a17d16412078afcacdaff654662888ba9fc094\"",
                "\"openai-domain-verification=dv-FqC3ry2oOZrwwxn1smhIGIuD\"",
                "\"google-site-verification=uWOb_DaGk3nkYmGoP7Bv2xxrbDB08zSKF7vwUh-tVuI\"",
                "\"google-site-verification=2Ee85OqEtCk9B_jzFt_bHq9abcwrF1BkzS7_GQKVfR0\"",
                "\"v=spf1 ip4:62.58.66.150/32 ip4:62.58.66.139/32 ip4:37.251.181.92/32 ip4:62.58.66.154/32 ip4:94.237.34.164 ip4:168.245.66.170 include:spf.protection.outlook.com include:spf.exclaimer.net include:spf.trustit.eu include:spf.afas.online include:_spf.salesforc\" \"e.com -all\"",
                "\"google-site-verification=WjjEHqYvdUUDPlfDyzQC23mPvcr83ASaj5-g2NrUyPc\"",
                "\"stripe-verification=6DC94134E14427008FA0EB9098136A8565E63140CE71FB54F040489A6DB3D9B2\"",
                "\"google-site-verification=NtoawqxORqzB0d2YEbJAMSpZVBiVEJULDdCqE7p2WxA\""
            ],
            "NS": [
                "ace.ns.cloudflare.com.",
                "uma.ns.cloudflare.com."
            ],
            "SOA": [
                "ace.ns.cloudflare.com. dns.cloudflare.com. 2411843071 10000 2400 604800 1800"
            ],
            "CAA": [
                "0 issue \"ssl.com\"",
                "0 issuewild \"digicert.com; cansignhttpexchanges=yes\"",
                "0 issuewild \"ssl.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"comodoca.com\"",
                "0 issue \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issuewild \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issue \"comodoca.com\"",
                "0 issuewild \"sectigo.com\"",
                "0 issue \"globalsign.com\"",
                "0 issue \"digicert.com; cansignhttpexchanges=yes\"",
                "0 issue \"sectigo.com\"",
                "0 issue \"certainly.com\"",
                "0 issuewild \"amazon.com\"",
                "0 issuewild \"letsencrypt.org\""
            ],
            "DS": [
                "2371 13 2 5A09FB6E2153690CD7D79B4D94E92F6E3EF06EE097FEDBC9E4A0268B B60F484E"
            ],
            "DNSKEY": [
                "256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==",
                "257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ=="
            ],
            "RRSIG": [
                "NS 13 2 86400 20260811134512 20260809114512 34505 fd.nl. rTsxagK9TJ0h5WTrzfNMrGdbtZykm3LfGSxRj2p+v++Z6jJoUdmLHSm9 LctkT8KYOr84M3Q3Z8/HqdQJ82RD8Q==",
                "TXT 13 2 300 20260811134512 20260809114512 34505 fd.nl. EJlfqwU2X1bVhW+aELxciGxCxnFjQrOXSlzKdjWie78BWnelqoZgSfbt ll7D0+NhCZlFdcCoShsjL9FvFTQqhA==",
                "DS 13 2 3600 20260904073452 20260806173722 467 nl. fdd7Gt+poM0LPgo1vpamldPEDwdkGv13R/P5BUVMMVFxnuV8mm9iwK1F CKCzUDwrpY3g8CuMK2M0RUpSRawI7Q==",
                "CAA 13 2 300 20260811134512 20260809114512 34505 fd.nl. XE9hpQ/9xFeqhCdUpllW2yBHET922J/sbby5kQsxbROTAQDHpRhlb6kd BKTC6eazrDxuN9McFPG87AEJ/hJw4Q=="
            ],
            "NSEC": [
                "\\000.fd.nl. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "104.18.5.25",
            "104.18.4.25"
        ],
        "ipv6": [
            "2606:4700::6812:519",
            "2606:4700::6812:419"
        ]
    },
    "mail": {
        "spf": "v=spf1 ip4:62.58.66.150/32 ip4:62.58.66.139/32 ip4:37.251.181.92/32 ip4:62.58.66.154/32 ip4:94.237.34.164 ip4:168.245.66.170 include:spf.protection.outlook.com include:spf.exclaimer.net include:spf.trustit.eu include:spf.afas.online include:_spf.salesforce.com -all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:systeemlog+dmarc@fdmediagroep.nl; ruf=mailto:systeemlog+dmarc@fdmediagroep.nl; fo=1",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.fd.nl",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCVkQmVcWFDWxpg/pMSrrZwctwEN+k50Iwh1QGwU+NdvwQBLN+Jfx6FEtXIb0eJ9nKCQh0dIA3EvmXgEdCKzU0+kXowUStse5Qdacdl5/aiim+n06BxwfEDB/jA7N6aa773R5SGhHwd7fwA/cIgkw0eLre4um5YLY/dp71tNU7zxwIDAQAB; n=1024,1456180249,1471905049",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "104.18.4.25",
                        "104.18.5.25"
                    ],
                    "time_ms": 51.83
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "104.18.4.25",
                        "104.18.5.25"
                    ],
                    "time_ms": 49.14
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "104.18.4.25",
                        "104.18.5.25"
                    ],
                    "time_ms": 45.32
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "104.18.4.25",
                        "104.18.5.25"
                    ],
                    "time_ms": 38.03
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "104.18.4.25",
                        "104.18.5.25"
                    ],
                    "time_ms": 64.83
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "fd.nl",
        "valid_from": "2026-08-04T18:52:11-05:00",
        "valid_to": "2026-11-02T17:52:10-06:00",
        "days_remaining": 84,
        "san": [
            "*.fd.nl",
            "fd.nl"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://fd.nl/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "date": "Mon, 10 Aug 2026 12:45:13 GMT",
            "content-type": "text/html;charset=UTF-8",
            "vary": "Access-Control-Request-Headers",
            "x-content-type-options": "nosniff",
            "x-xss-protection": "0",
            "cache-control": "no-cache, no-store, max-age=0, must-revalidate",
            "pragma": "no-cache",
            "expires": "0",
            "strict-transport-security": "max-age=31536000",
            "x-frame-options": "SAMEORIGIN",
            "content-language": "en-US",
            "content-security-policy": "default-src https: data: blob: ws: wss: 'unsafe-inline' 'unsafe-eval'",
            "cf-cache-status": "DYNAMIC",
            "set-cookie": "_cfuvid=8yL7C72YVypqkW4S6B_3dkUCU0j4Z3i4Js9WdMAtgmk-1786365913.2837403-1.0.1.1-5ktXFi.tUwS3NT8PA.jbP3sOMY1h9ogtZQHd8ruJg8A; HttpOnly; SameSite=None; Secure; Path=/; Domain=fd.nl",
            "server": "cloudflare",
            "cf-ray": "a28f18ae0c697a57-STL"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "cloudflare",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://fd.nl/",
        "title": "Het Financieele Dagblad",
        "description": "Het laatste nieuws over de beurs, financiële wereld, economie, politiek en ondernemen vind je op fd.nl",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "104.18.5.25": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "104.18.4.25": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "fd-nl.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 36.5,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4040.1,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4014.9,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.217.62",
        "reverse": "",
        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
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