{
    "ok": true,
    "domain": "walkscore.com",
    "generated_at": "2026-08-09T06:52:55-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 79,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 65,
            "network": 65,
            "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": "3 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": "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": 0,
                "lost_points": 15,
                "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",
                "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": "5 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": "171 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": 0,
                "lost_points": 35,
                "detail": "0 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: ec2-54-211-217-225.compute-1.amazonaws.com"
            },
            {
                "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/1.1 200 OK"
            },
            {
                "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": "3 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": "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": "error",
                "title": "DNSSEC chain",
                "detail": "Both DS and DNSKEY are required.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 0,
                "lost_points": 15
            },
            {
                "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": "5 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": "171 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": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ec2-54-211-217-225.compute-1.amazonaws.com",
                "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": "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/1.1 200 OK",
                "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": [
                "54.211.217.225",
                "32.195.209.245",
                "100.57.45.125"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
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                "10 aspmx3.googlemail.com.",
                "10 aspmx2.googlemail.com.",
                "5 alt1.aspmx.l.google.com.",
                "1 aspmx.l.google.com."
            ],
            "TXT": [
                "\"google-site-verification=suePZ7MGZ0Rm0JjagmtU2t4Dq7nLaVvc6EIr_4dnwDs\"",
                "\"v=spf1 include:_s94866777.fdmarc.net ~all\"",
                "\"facebook-domain-verification=ijqqm9vauj4mkfho66art2uzbkwk43\"",
                "\"google-site-verification=aAQql7ISkj9Hr6BsPb2Nbk8qzbVMaTsPcH6ycwUgt5Q\""
            ],
            "NS": [
                "ns-1116.awsdns-11.org.",
                "ns-1893.awsdns-44.co.uk.",
                "ns-236.awsdns-29.com.",
                "ns-1019.awsdns-63.net."
            ],
            "SOA": [
                "ns-1019.awsdns-63.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "54.211.217.225",
            "32.195.209.245",
            "100.57.45.125"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:_s94866777.fdmarc.net ~all",
        "dmarc": "v=DMARC1;p=reject;pct=100;rua=mailto:a+94866777@fdmarc.net;ruf=mailto:f+94866777@fdmarc.net;ri=3600;fo=1;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.walkscore.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhSmZU1byZ3i+G5OyAS/LxJ+YVLPJ8DepI7Nm4XObE7iRVslMPMZ7SuxY0paUy5l5+FeZYOO8kY7JWjoteZtJfOUV6Cnivh+ZB4p3hkqjWQI84LMosIPjxeEQuEhanWNhWVOsjK342swR2AXOFuQyU1DWb+V970h1s6jOoElMwYAqkM9TtXckxFTZLw08tO7+Ih+kVDg+BjyY+pzRJQSXCyhMGirutyWWeEBxvx16fCLIcl2nVPOg+H1xjlTByEBeDkxUhdun8gueOyiMu2OEvAbLAQEehcdvdDewEffcXbtTjn3W1TCm5G9HeioeBh40V+7dgMhAkU1VTF2VqeD8zwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ec2-54-211-217-225.compute-1.amazonaws.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "100.57.45.125",
                        "32.195.209.245",
                        "54.211.217.225"
                    ],
                    "time_ms": 89.22
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                        "32.195.209.245",
                        "54.211.217.225"
                    ],
                    "time_ms": 50.57
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
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                        "32.195.209.245",
                        "54.211.217.225"
                    ],
                    "time_ms": 98.11
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
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                        "32.195.209.245",
                        "54.211.217.225"
                    ],
                    "time_ms": 151.61
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
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                        "32.195.209.245",
                        "54.211.217.225"
                    ],
                    "time_ms": 94.68
                }
            ]
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    },
    "ssl": {
        "available": true,
        "issuer": "Amazon",
        "subject": "walkscore.com",
        "valid_from": "2026-07-13T19:00:00-05:00",
        "valid_to": "2027-01-27T17:59:59-06:00",
        "days_remaining": 171,
        "san": [
            "walkscore.com",
            "*.walkscore.com"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
    },
    "http": {
        "url": "https://www.walkscore.com/",
        "status": "HTTP/1.1 200 OK",
        "http_version": "2",
        "headers": {
            "content-type": "text/html",
            "date": "Sun, 09 Aug 2026 11:52:47 GMT",
            "location": "https://www.walkscore.com/",
            "server": "Apache/2.4.29 (Ubuntu)",
            "connection": "keep-alive",
            "cache-control": "public, max-age=60",
            "expires": "Sun, 09 Aug 2026 11:42:38 GMT",
            "content-length": "52489",
            "last-modified": "Sun, 09 Aug 2026 11:41:38 GMT",
            "set-cookie": "session=\"JBhgSH0t4pcXEcWCC7l+RvR486I=?_expires=STE3ODg5NTQ3NjcKLg==&_permanent=STAxCi4=&session_id=Uyc3YmQ5YjQzNWEyM2VmMTYxJwpwMAou\"; Expires=Wed, 09-Sep-2026 11:52:47 GMT; HttpOnly; Path=/",
            "vary": "Accept-Encoding,X-Forwarded-Port",
            "x-build-date": "Sun, 09 Aug 2026 11:41:38 GMT"
        },
        "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": "Apache/2.4.29 (Ubuntu)",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.walkscore.com/",
        "title": "Find Apartments for Rent and Rentals - Get Your Walk Score",
        "description": "Find apartments for rent and rentals on Walk Score. Find apartments with a better commute, great nearby places, and transportation choices.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "54.211.217.225": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "32.195.209.245": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "100.57.45.125": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "alt2.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 1.2,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4003.5,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4021.7,
                "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": 88.17
}