{
    "ok": true,
    "domain": "nos.nl",
    "generated_at": "2026-08-09T01:13:44-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 89,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 90,
            "security": 81,
            "network": 100,
            "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": "4 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "8 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": 0,
                "lost_points": 5,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "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": "124 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": 30,
                "lost_points": 0,
                "detail": "PTR: server-54-192-100-22.mci50.r.cloudfront.net"
            },
            {
                "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": [
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                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "4 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "8 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "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": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "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": "124 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": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: server-54-192-100-22.mci50.r.cloudfront.net",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "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",
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                "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": {
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                "54.192.100.113",
                "54.192.100.75",
                "54.192.100.6"
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                "2600:9000:210b:c800:f:425b:9b80:93a1",
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                "2600:9000:210b:fa00:f:425b:9b80:93a1",
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                "2600:9000:210b:be00:f:425b:9b80:93a1"
            ],
            "CNAME": [],
            "MX": [
                "10 nos-nl.mail.protection.outlook.com."
            ],
            "TXT": [
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                "\"apple-domain-verification=cwxV9FeBqcSiNe6L\"",
                "\"anthropic-domain-verification-na16s8=TfhXKjvDoFyCjn5ojodUfNFTW\"",
                "\"MS=ms54114100\"",
                "\"eHt52Z91IJwRuCaG5Di9VrJXYPeu0Mi6BhWU3l5YV21/q2tOdB9oKDxfh+SdtsVtBJBgEABUcHvnqtGHf1GDNg==\"",
                "\"google-site-verification=kPt6Gqfhcwbub0bxNVaLUy0vkDmIXgkW_NC_1qeXorM\"",
                "\"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all\"",
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                "\"reftab-domain-verification=dc1dfdd2bf7152b1e5506238aca79276\""
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            "NS": [
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                "ns-311.awsdns-38.com.",
                "ns-1582.awsdns-05.co.uk."
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            "SOA": [
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            "CAA": [],
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            "DNSKEY": [
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            "RRSIG": [
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            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
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            "54.192.100.113",
            "54.192.100.75",
            "54.192.100.6"
        ],
        "ipv6": [
            "2600:9000:210b:4400:f:425b:9b80:93a1",
            "2600:9000:210b:a000:f:425b:9b80:93a1",
            "2600:9000:210b:9c00:f:425b:9b80:93a1",
            "2600:9000:210b:c800:f:425b:9b80:93a1",
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            "2600:9000:210b:be00:f:425b:9b80:93a1"
        ]
    },
    "mail": {
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        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.nos.nl",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCvkZXULbZmhkcBUyG/VAQONyz6DETOxXz3KhLh1qPxH7g8hUmT933Uuv7xum8umsvJUZTLDj92faISjF1C8UUQB9P0GLQC8U/WPFmIr1HNCL5+Q/fYa6fFcYfAFQlE0r9m5BJ4EFU5YIkmLJWDmfc1S1a05+58kA/ZQQSIpttRDwIDAQAB; n=1024,1484740322,1500378722",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
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        "propagation": {
            "consistent": false,
            "results": [
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                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
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                        "13.249.141.28",
                        "13.249.141.35",
                        "13.249.141.60"
                    ],
                    "time_ms": 90.79
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                        "13.249.141.28",
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                    "time_ms": 55.58
                },
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                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
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                        "54.192.100.22",
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                        "54.192.100.75"
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                    "time_ms": 84.73
                },
                {
                    "provider": "OpenDNS",
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                    "result": [
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                        "13.249.141.28",
                        "13.249.141.35",
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                    "time_ms": 104.91
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                    "provider": "AdGuard",
                    "server": "94.140.14.14",
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                    "time_ms": 76.99
                }
            ]
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    },
    "ssl": {
        "available": true,
        "issuer": "Sectigo Limited",
        "subject": "nos.nl",
        "valid_from": "2026-05-26T19:00:00-05:00",
        "valid_to": "2026-12-11T17:59:59-06:00",
        "days_remaining": 124,
        "san": [
            "nos.nl"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://nos.nl/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "content-type": "text/html; charset=utf-8",
            "content-length": "767737",
            "server": "nginx",
            "date": "Sun, 09 Aug 2026 06:07:24 GMT",
            "x-powered-by": "Next.js",
            "etag": "\"17hg4bjok4wggba\"",
            "strict-transport-security": "max-age=31536000",
            "x-content-type-options": "nosniff",
            "referrer-policy": "same-origin",
            "content-security-policy": "frame-ancestors 'self'",
            "x-proxy-cache": "HIT",
            "x-proxy-http-date": "Sun, 09 Aug 2026 06:07:21 GMT",
            "cache-control": "public, s-maxage=1, stale-while-revalidate=600, stale-if-error=86400",
            "vary": "Accept-Encoding",
            "x-cache": "Hit from cloudfront",
            "via": "1.1 2e7a2342011372c715a1c654a72f35d0.cloudfront.net (CloudFront)",
            "x-amz-cf-pop": "MCI50-P4",
            "x-amz-cf-id": "-QqawhdfaFcJAtHzZiT4FXY7tBziXU_TIPVyDfyCMgh1u0ZNIL-mrg==",
            "age": "372"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": false,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "nginx",
        "powered_by": "Next.js"
    },
    "webpage": {
        "url": "https://nos.nl/",
        "title": "NOS.nl - Nieuws, Sport en Evenementen | Nederlandse Omroep Stichting",
        "description": "NOS.nl - Nieuws, Sport en Evenementen op Radio, TV en Internet",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "54.192.100.22": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "54.192.100.113": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
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            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "54.192.100.6": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "nos-nl.mail.protection.outlook.com",
        "ports": [
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                "port": 25,
                "open": false,
                "time_ms": 21.1,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4062.3,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4021.3,
                "banner": "",
                "error": "Connection timed out"
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        ]
    },
    "visitor": {
        "ip": "216.73.217.62",
        "reverse": "",
        "country": "",
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