{
    "ok": true,
    "domain": "iamsterdam.com",
    "generated_at": "2026-08-09T23:21:56-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 81,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 90,
            "security": 73,
            "network": 35,
            "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": 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": "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": 0,
                "lost_points": 5,
                "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": "31 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": 8,
                "lost_points": 27,
                "detail": "2 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": 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/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": "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": "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": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "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": "31 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": "2 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 8,
                "lost_points": 27
            },
            {
                "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": "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/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": [
                "76.76.21.21",
                "216.150.1.1"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "0 iamsterdam-com.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"google-site-verification=8zAHi6N8YcBwdkc-bWyJfcJTVNFA0EhnSmZ4v1mWC6w\"",
                "\"amazonses:rZsblcEtRIu7idYHNei1OkPpRFd0+Q9ma0oeSIcLH9Y=\"",
                "\"MS=ms27086829\"",
                "\"v=spf1 a ip4:83.96.165.96 ip4:213.247.122.37 ip4:83.96.165.66 ip4:83.96.165.85 ip4:77.61.128.86 include:spf.protection.outlook.com include:spf.afas.online include:spf-de.emailsignatures365.com -all\"",
                "\"prkq1040m76dj82d65pi5jjboh\"",
                "\"apple-domain-verification=Oj22kmTMCvZZQOtX\"",
                "\"google-site-verification=54JtWLjYJUeTpwFGjkvHh4c7JQ7A5pUxv9Vx3dyu-j8\"",
                "\"google-site-verification=3-FIpo48mfMX07fv8Ge3Cv2-Y7bqJSb5PBk2ybxtK1Y\"",
                "\"IbV+zHuKMDh2r45jGi1temKOZSyx7UunVW8fxJBi2XBx4SsHLeXzg+T44f93cOK1sZ1jLHOeuqqFRkFa1Lzx4Q==\""
            ],
            "NS": [
                "wally.ns.cloudflare.com.",
                "matt.ns.cloudflare.com."
            ],
            "SOA": [
                "matt.ns.cloudflare.com. dns.cloudflare.com. 2411219585 10000 2400 604800 1800"
            ],
            "CAA": [],
            "DS": [
                "2371 13 2 4972A05D89E38CF64B0401F5848049D1E0B554782E823FB45A78E2F2 E6D6BC7E"
            ],
            "DNSKEY": [
                "256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==",
                "257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ=="
            ],
            "RRSIG": [
                "SOA 13 2 1800 20260811052147 20260809032147 34505 iamsterdam.com. qtF1nRi8BcI5o4653jWVBtsHoeN0/DEz4hwL0CEtmnG4+Q2rDUAEH6iI H6KHmeGshrv1UEBqQsdRSMVUmGsI/Q==",
                "NS 13 2 86400 20260811052146 20260809032146 34505 iamsterdam.com. lIJEWL7alMYZvMShm2VxINRiwPrJXJ07gut0XdETOpfuGQrpFWf8eJPv YUTGkGEcGrXuIJ0GW/FoE3ucGtalMA==",
                "TXT 13 2 300 20260811052146 20260809032146 34505 iamsterdam.com. 4WOENENXFN2YLU9TAyb5JqPBZNeF5fP+yDmTz1E2TRKphLCo1KLPelUs 9ijPp5BvQH4EJZkseaxTcDDa40nkww==",
                "MX 13 2 300 20260811052146 20260809032146 34505 iamsterdam.com. z+q76Frg6PC3FQzbSHZwo4ubso03poExV7liW7fMRdQj9lFdxDxjcg4t 8O8CC8aEUVkZ6nC09kSqPMTFCYk/sA==",
                "DS 13 2 86400 20260817024711 20260810013711 41446 com. +7ParYG2JMHBukH8m5j4zNli3INq+GeYFvJi64KG68XnMP0r5BuEmXkF 2QUoohSIXBEPK7vubtv1dyLM7pyS/w=="
            ],
            "NSEC": [
                "\\000.iamsterdam.com. 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": [
            "76.76.21.21",
            "216.150.1.1"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 a ip4:83.96.165.96 ip4:213.247.122.37 ip4:83.96.165.66 ip4:83.96.165.85 ip4:77.61.128.86 include:spf.protection.outlook.com include:spf.afas.online include:spf-de.emailsignatures365.com -all",
        "dmarc": "v=DMARC1;p=quarantine;rua=mailto:ict@iamsterdam.com;ruf=mailto:ict@iamsterdam.com;fo=1;",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.iamsterdam.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqLJi6wG56isLELI+fqDLeHM0U6LsjPntwVUkZTRAVbjQCsQKsfLIjyxtOTz9C3+bK2hvO7I/WDJaqaElrFGRaCnglqRJjYyiI93EEfsY6Dbwop12GbJSbrYTwbyHczsP4p7wUr0NvDXuHx30YVv0WkwtXx4KI2Q+QujvAxKIOYQIDAQAB; n=1024,1449773799,1465584999",
        "spf_analysis": {
            "valid": true,
            "lookups": 4,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "216.150.1.1",
                        "76.76.21.21"
                    ],
                    "time_ms": 56.17
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "216.150.1.1",
                        "76.76.21.21"
                    ],
                    "time_ms": 45.87
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "216.150.1.1",
                        "76.76.21.21"
                    ],
                    "time_ms": 50.03
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "216.150.1.1",
                        "76.76.21.21"
                    ],
                    "time_ms": 60.69
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "216.150.1.1",
                        "76.76.21.21"
                    ],
                    "time_ms": 67.7
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "iamsterdam.com",
        "valid_from": "2026-06-12T09:02:42-05:00",
        "valid_to": "2026-09-10T09:02:41-05:00",
        "days_remaining": 31,
        "san": [
            "iamsterdam.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://www.iamsterdam.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "cache-control": "public, max-age=0, must-revalidate",
            "content-type": "text/html; charset=utf-8",
            "date": "Mon, 10 Aug 2026 04:21:48 GMT",
            "location": "https://www.iamsterdam.com/",
            "refresh": "0;url=https://www.iamsterdam.com/",
            "server": "cloudflare",
            "strict-transport-security": "max-age=15552000",
            "x-vercel-id": "cle1::fra1::npf26-1786335708054-b68782f8803b",
            "age": "2581",
            "report-to": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=wUqM%2FGOACcwX9Kc1NabJOnu5%2FCfM4n2dLW2isf8A47%2BaJVanTpBpnxEX56b7sAkxMobTYilLPn2hwfTLLuVGV83p1CUwOEoBHyitU%2BlIc0QM8kavwc7n8wIKiuLCI4Qi0xocxQ%3D%3D\"}]}",
            "vary": "rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch",
            "x-frame-options": "ALLOW-FROM https://iamsterdam-dev.prepr.io/",
            "x-matched-path": "/nl",
            "x-nextjs-prerender": "1",
            "x-nextjs-rewritten-path": "/nl/",
            "x-nextjs-stale-time": "300",
            "x-powered-by": "Next.js",
            "x-vercel-cache": "HIT",
            "nel": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}",
            "cf-cache-status": "DYNAMIC",
            "cf-ray": "a28c373f4ec5b16e-ORD"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": false,
            "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": "Next.js"
    },
    "webpage": {
        "url": "https://www.iamsterdam.com/",
        "title": "Wat ga jij doen in Amsterdam? | I amsterdam",
        "description": "Hier vind je alle tips voor een compleet dagje uit, een bomvolle Uitagenda en hotspots in iedere Amsterdamse buurt. Dé gids van onze prachtige hoofdstad.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "76.76.21.21": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "216.150.1.1": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "iamsterdam-com.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.9,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4040.7,
                "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": "",
        "user_agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
        "is_bot": true,
        "cloudflare": false
    },
    "analysis_time_ms": 117.64
}