{
    "ok": true,
    "domain": "nationalcar.com",
    "generated_at": "2026-08-12T12:10:44-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 86,
        "label": "Good",
        "categories": {
            "dns": 80,
            "mail": 90,
            "security": 77,
            "network": 85,
            "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": "1 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "1 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": "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": "149 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": 12,
                "lost_points": 23,
                "detail": "3 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: apex-redir.nationalcar.com"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15,
                "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": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "1 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": "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": "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": "149 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": "3 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 12,
                "lost_points": 23
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: apex-redir.nationalcar.com",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "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": "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",
                "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": [
                "148.78.93.27"
            ],
            "AAAA": [
                "2620:103:e002:226::1b"
            ],
            "CNAME": [],
            "MX": [
                "0 nationalcar-com.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"d365mktkey=9n1S8kEGesU0vkpNDPhwiOzWFMmwLRH2VEmxbixzKUYx\"",
                "\"MS=ms87844744\"",
                "\"docusign=92f9f6ff-8cc0-4097-bf07-ac854c6d10c1\"",
                "\"tmes=d7e153660c1f589ca9a6ce7692152e74\"",
                "\"google-site-verification=Zo1eMwLvOoSZ26eIF3uLYGY78hKZ5BXQGLLnlknu59M\"",
                "\"FL9uT5AOwLqlbdMFXPVVLgw9n+DG20GaIgyt6FZa8hCUj66CDz7m7HBzTpA1DM63LoLsHHB4dFfq886eC8cy7w==\"",
                "\"ErGz8tULGWyC27gJnIpWJ6wopiOtEJOEjJUa9UkN24ox.\"",
                "\"ZUV2NaQLbVUPkeg/rY3ME5Mre7ms1+hA8YGRFvq8G2T5MmVGqhty/M8IaA9BHMbXQ1qsObFdFmCOjJMOgmikmQ==\"",
                "\"d365mktkey=ErGz8tULGWyC27gJnIpWJ6wopiOtEJOEjJUa9UkN24ox\"",
                "\"v=spf1 include:mail.zendesk.com include:amazonses.com include:spf.protection.outlook.com -all\"",
                "\"ibmid=7e8683e3-a075-415c-8817-b867c9bae87c\"",
                "\"ZOOM_verify_74FyUlhSSFuGl4OmgA0o3V\""
            ],
            "NS": [
                "ns2.enterprise.com.",
                "ns3.enterprise.com.",
                "ns1.enterprise.com.",
                "ns4.enterprise.com."
            ],
            "SOA": [
                "ns1.enterprise.com. dnsadmin.enterprise.com. 2026081102 10800 3600 604800 86400"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "148.78.93.27"
        ],
        "ipv6": [
            "2620:103:e002:226::1b"
        ]
    },
    "mail": {
        "spf": "v=spf1 include:mail.zendesk.com include:amazonses.com include:spf.protection.outlook.com -all",
        "dmarc": "v=DMARC1; p=quarantine; pct=100; fo=1; rua=mailto:6298967a@mxtoolbox.dmarc-report.com; ruf=mailto:6298967a@forensics.dmarc-report.com",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.nationalcar.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAudM+A3g3NFXUw+J+waw7upJoVUAOzmNrDAr7POJp5uJVfEgwdPwS+W2p0fc5mtthiAfcRVuDVcgP+E+7d+zJ66eR+Jgj3IkAFkVcU5zPTCdkFSodBwtIvb8Nv5wngREXTQyzNIgYJvu8DKTdNCHOVtJndBxWz9z0wTcrU+wlOl3rVcc5FWFyK+AVJ1e578a0WXtBmLIydfUOOcRpUGbS8/WOy6aEeQUz5dAcPED+Btq8REZ1mm7SbU8zSoWzKHm4hbyCxOET+vC5+qTGOAACqE5sAeBHjVJkCs3OdlfsEQ4JS0wwFm7Fa2tH8VTntoveOsVAYTCPrjGQpiu2aDYAFQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "apex-redir.nationalcar.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "148.78.93.27"
                    ],
                    "time_ms": 80
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "148.78.93.27"
                    ],
                    "time_ms": 76.68
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "148.78.93.27"
                    ],
                    "time_ms": 63.58
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "148.78.93.27"
                    ],
                    "time_ms": 47.47
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "148.78.93.27"
                    ],
                    "time_ms": 95.25
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "COMODO CA Limited",
        "subject": "apex-redir.nationalcar.com",
        "valid_from": "2026-01-07T18:00:00-06:00",
        "valid_to": "2027-01-08T17:59:59-06:00",
        "days_remaining": 149,
        "san": [
            "apex-redir.nationalcar.com",
            "assets.nationalcar.com",
            "m.nationalcar.ca",
            "m.nationalcar.com",
            "nationalcar.ca",
            "nationalcar.co.uk",
            "nationalcar.com",
            "nationalcar.de",
            "nationalcar.es",
            "nationalcar.fr",
            "nationalcar.ie",
            "nationalcar.it",
            "nationalcar.mobi",
            "www.nationalcar.mobi"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.nationalcar.com/en/home.html",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "location": "https://www.nationalcar.com/en/home.html",
            "server": "Apache",
            "connection": "Keep-Alive",
            "content-length": "0",
            "date": "Wed, 12 Aug 2026 17:10:35 GMT",
            "set-cookie": "akaalb_natcar_prod=~op=NatCar_Prod:NatCar_Prod_East|~rv=19~m=NatCar_Prod_East:0|~os=ace136e2af399cc8931be7d5bc628784~id=6ac07e8fa35c8b27bc1d897d7163c246; path=/; HttpOnly; Secure; SameSite=None",
            "akamai-device-characteristics": "mobile_browser=,mobile_browser_version=,brand_name=,device_os=,marketing_name=,model_name=",
            "akamai-edgescape": "georegion=267,country_code=US,region_code=MO,city=SAINTLOUIS,dma=609,pmsa=,msa=7040,areacode=314,county=SAINTLOUISCITY,fips=29510+29189,lat=38.6312,long=-90.1926,timezone=CST,zip=63101-63141+63143-63147+63150-63151+63155-63158+63160+63163-63164+63166-63167+63169+63171+63177-63180+63182+63188+63195+63197+63199,continent=NA,throughput=vhigh,bw=5000,asnum=30083",
            "strict-transport-security": "max-age=31536000 ; includeSubDomains",
            "server-timing": "ak_p; desc=\"1786554635653_388045073_64649720_1244_15954_35_0_15\";dur=1",
            "content-type": "text/html; charset=UTF-8",
            "x-frame-options": "SAMEORIGIN",
            "x-xss-protection": "1; mode=block",
            "x-content-type-options": "nosniff",
            "cache-control": "max-age=300",
            "expires": "Wed, 12 Aug 2026 17:15:35 GMT"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": true,
            "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": "Apache",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.nationalcar.com/en/home.html",
        "title": "Fast & Convenient Car Rental at 1,500+ Locations | National Car Rental",
        "description": "Join Emerald Club and enjoy exclusive benefits including counter bypass, choose your own car and earn rewards towards free rental days (select locations).",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "148.78.93.27": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "nationalcar-com.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 27.7,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4042.8,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4036.3,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.216.220",
        "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": 91.47
}