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    },
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        "label": "Good",
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            "mail": 90,
            "security": 69,
            "network": 20,
            "availability": 100
        },
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            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
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                "category": "dns",
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                "earned_points": 30,
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                "detail": "1 IPv4 address(es) detected."
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                "category": "dns",
                "title": "IPv6 (AAAA)",
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                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
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                "category": "dns",
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                "earned_points": 20,
                "lost_points": 0,
                "detail": "3 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
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                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
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                "category": "dns",
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                "detail": "Both DS and DNSKEY are required."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
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                "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."
            },
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                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
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                "earned_points": 55,
                "lost_points": 0,
                "detail": "97 day(s) remaining."
            },
            {
                "category": "security",
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            },
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                "category": "security",
                "title": "HTTP security headers",
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                "detail": "1 of 9 evaluated headers detected."
            },
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                "category": "network",
                "title": "PTR reverse DNS",
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                "earned_points": 0,
                "lost_points": 30,
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            {
                "category": "network",
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            },
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                "category": "network",
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                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
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                "category": "availability",
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                "earned_points": 40,
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                "detail": "At least one address family must resolve."
            },
            {
                "category": "availability",
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                "earned_points": 40,
                "lost_points": 0,
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            },
            {
                "category": "availability",
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                "earned_points": 20,
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        ],
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                "level": "error",
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                "lost_points": 10
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                "level": "ok",
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                "category": "dns",
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                "level": "ok",
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                "detail": "Authoritative zone record.",
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                "category": "dns",
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                "lost_points": 15
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                "level": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
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                "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).",
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                "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": "97 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": "1 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 4,
                "lost_points": 31
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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",
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                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTP response",
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                "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
            }
        ]
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                "52.229.175.214"
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            "AAAA": [],
            "CNAME": [],
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            "NS": [
                "a3-64.akam.net.",
                "a2-64.akam.net.",
                "a22-66.akam.net."
            ],
            "SOA": [
                "a1-5.akam.net. root.ns1.tdctrade.com. 2009124216 10800 3600 604800 800"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "52.229.175.214"
        ],
        "ipv6": []
    },
    "mail": {
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        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.hktdc.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDC5cEJL0MR3Y1xrTR9wIp37d6mmNeUzZ69PjFTco9ftFq0zFiWbo+3lcYIxCySmhg0h4vhFUgx/iPFHdr8IC14x8TTNyxsWGjMBnO8Rirg2Sz9J6+Hg3swEHHhoO2Fa+/E7EnzLQQQO1d5SB9H+0rTt+maWRFGbWcf/3srLvOXRQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
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        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
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    "advanced": {
        "ptr": "",
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                    "provider": "Google",
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                    "result": [
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                    "time_ms": 86.7
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                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
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                    "time_ms": 71.93
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                {
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                    "time_ms": 68.69
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                    "provider": "OpenDNS",
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                    "time_ms": 92.83
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        "valid_to": "2026-11-14T19:51:13-06:00",
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            "hktdc.com"
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        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
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    "http": {
        "url": "https://www.hktdc.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "content-length": "8376",
            "content-type": "text/html",
            "location": "https://www.hktdc.com/",
            "server": "Microsoft-IIS/10.0",
            "x-powered-by": "ASP.NET",
            "strict-transport-security": "max-age=31536000; includeSubDomains; preload",
            "date": "Sun, 09 Aug 2026 14:28:49 GMT",
            "x-b3-sampled": "1",
            "cache-control": "max-age=0,s-maxage=86400,public",
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            "set-cookie": "journey_id=c0c8a9989036c057;Path=/;secure",
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            "x-amz-cf-pop": "ORD58-P13",
            "vary": "Accept-Encoding,Accept-Encoding",
            "x-cache": "Miss from cloudfront",
            "alt-svc": "h3=\":443\"; ma=86400",
            "x-amz-cf-id": "istKrz2x-s6jRXjKcw5Dlsy4M1YBlwDtTLgWZzxkxZ2nojMXGDl2OQ=="
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        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Microsoft-IIS/10.0",
        "powered_by": "ASP.NET"
    },
    "webpage": {
        "url": "https://www.hktdc.com/",
        "title": "HKTDC",
        "description": "",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
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            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
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    },
    "smtp": {
        "host": "hktdc-com.mail.protection.outlook.com",
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                "port": 25,
                "open": false,
                "time_ms": 19.9,
                "banner": "",
                "error": "Network is unreachable"
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                "time_ms": 4008.3,
                "banner": "",
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        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
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        "cloudflare": false
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}