{
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    "domain": "bts.gov",
    "generated_at": "2026-08-09T06:14:38-05:00",
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    },
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        "total": 33,
        "label": "Critical",
        "categories": {
            "dns": 45,
            "mail": 90,
            "security": 0,
            "network": 0,
            "availability": 20
        },
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            "mail": 20,
            "security": 25,
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            "availability": 20
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                "category": "dns",
                "title": "IPv4 (A)",
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                "earned_points": 0,
                "lost_points": 30,
                "detail": "0 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
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                "earned_points": 0,
                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
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                "detail": "6 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
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                "category": "dns",
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                "detail": "Certificate authority restriction."
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            {
                "category": "dns",
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            },
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                "category": "mail",
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                "earned_points": 20,
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                "detail": "1 MX record(s)."
            },
            {
                "category": "mail",
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                "earned_points": 25,
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            {
                "category": "mail",
                "title": "DMARC",
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                "category": "mail",
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            },
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                "title": "Valid TLS certificate",
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            },
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                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
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                "lost_points": 35,
                "detail": "Two or more IPv4 addresses receive full points."
            },
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                "category": "availability",
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                "earned_points": 20,
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        "diagnostics": [
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                "level": "error",
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                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
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                "level": "ok",
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                "level": "ok",
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                "earned_points": 15,
                "lost_points": 0
            },
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                "level": "error",
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                "lost_points": 5
            },
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                "level": "error",
                "title": "DNS propagation",
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                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
                "title": "MX records",
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                "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",
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                "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": "error",
                "title": "Valid TLS certificate",
                "detail": "No valid certificate was retrieved.",
                "category": "security",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55
            },
            {
                "level": "error",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "level": "error",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "error",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "error",
                "title": "DNS resolution",
                "detail": "At least one address family must resolve.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "level": "error",
                "title": "HTTP response",
                "detail": "No successful HTTP response.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "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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            "AAAA": [],
            "CNAME": [],
            "MX": [
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                "\"v=spf1 mx include:_ip4SPF.bts.gov include:_ip6SPF.bts.gov include:_O365SPF.dot.gov -all\"",
                "\"xqnpnklgs22pyzpz550lgh78fn4fy3w7\""
            ],
            "NS": [
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                "a5-65.akam.net.",
                "a24-64.akam.net.",
                "a12-64.akam.net.",
                "a1-97.akam.net.",
                "a14-64.akam.net."
            ],
            "SOA": [
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            ],
            "CAA": [],
            "DS": [
                "14721 13 2 1028DBB7DBA316D0C4D6AD3E42058EF1783559C8A280E8B35855340B A7A13D91"
            ],
            "DNSKEY": [
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                "257 3 13 qgz3zXfMJJ/UR5ow6ZPynDPKck3dNeiUXJWccDgYCrMrirJ83/rYSyHe yxeEbJCNXReYl1k5f7cq6r8mvv0EWg==",
                "257 3 13 5bZi1c8VktQl0Id3l7wlcEGMQ6y7iYkkIR8gXfiHfbobPAIrLIEl1Msl YCAHE0EKl5LDgyY8MKg6vzurxBDPTA==",
                "256 3 13 N2xy5aYjB2ctg9MOFd+hbjZ6Z2VLo5jTpr/bz0RPIGzNQlr+qQutkvtD +3oJUmDzGhs7f1joTRnZJ0DMnaXlXA=="
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                "DNSKEY 13 2 7200 20260812001757 20260808231757 18679 bts.gov. MFnU0at5FDqe7qMZbMyQufxojoUZYasnMZpdFernB4MJiOykwsXmzM1g EHpJH5eeMXXjPYcXmO6pdO9tSYGu9A==",
                "NS 13 2 600 20260812001757 20260808231757 62944 bts.gov. +rv3yilS7GF5uYfHAKB5HD17rHoSETijzaZLNycNaXkvinoHFoXNYmVH Y5noJyCJQtOzBdbKkbHgQoMcXDGx5A==",
                "SOA 13 2 600 20260812001757 20260808231757 62944 bts.gov. MeoFAPKsu/YgSKiovrbQP3mKIwKc89maUUGyDQewjA5wjeidQvNQmwXI j1gt97vXm6L9V5AKmgDtdNRD3okyiA==",
                "DS 13 2 3600 20260810121428 20260808101428 35496 gov. Lqj98TtIyTYTthuUSWklpDHY10Xa8LlvwPUWQQ3WWwzWe9x383AsQv9r LjbX6zVtisZozFBo+afvZdggJXX6/Q=="
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 mx include:_ip4SPF.bts.gov include:_ip6SPF.bts.gov include:_O365SPF.dot.gov -all",
        "dmarc": "v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rf=afrf; ri=43200; rua=mailto:dmarc_reports@dot.gov,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:dmarc_reports@dot.gov",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.bts.gov",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtPeuDocndDxCeF7zGpqkNG0XUilamZQvHVxahsXqph9/VF3/HnDES9PyDYGyif37SHFgD6dE1CQ16eRpQMZwEg8FW2RC/NAigaKKjimDNQ/Ndt24HplfsqkN6Wh1e+LdvcEXL4ljoL/rKe67uy4XbMRFU2oVnW4xLDl39zg31sQIDAQAB; n=1024,1456427610,1",
        "spf_analysis": {
            "valid": true,
            "lookups": 4,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": false,
            "results": [
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                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [],
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                    "provider": "Cloudflare",
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                {
                    "provider": "Quad9",
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                    "time_ms": 63.8
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    "ssl": {
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        "issuer": "",
        "subject": "",
        "valid_from": "",
        "valid_to": "",
        "days_remaining": null,
        "san": [],
        "protocol": "",
        "cipher": "",
        "error": "php_network_getaddresses: getaddrinfo failed: No address associated with hostname"
    },
    "http": {
        "url": "https://bts.gov/",
        "status": "",
        "http_version": "0",
        "headers": [],
        "security_checks": {
            "strict-transport-security": false,
            "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": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://bts.gov/",
        "title": "",
        "description": "",
        "success": false,
        "error": "Could not resolve host: bts.gov"
    },
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    "smtp": {
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        "ports": [
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                "time_ms": 37.8,
                "banner": "",
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                "time_ms": 4055.5,
                "banner": "",
                "error": "Connection timed out"
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                "open": false,
                "time_ms": 4044.8,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
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    "visitor": {
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        "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": 112.46
}