{
    "ok": true,
    "domain": "southwest.com",
    "generated_at": "2026-08-09T06:06:10-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 82,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 77,
            "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": "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": 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": "2 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": "159 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: rdr-w21.southwest.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/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": "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": "2 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": "159 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: rdr-w21.southwest.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/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": [
                "208.94.155.99",
                "66.150.1.229"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 outgoing.wnco.com.",
                "10 mail02.wnco.com."
            ],
            "TXT": [
                "\"pardot886213=5f9176871506272b28c41f1ddffd6a99f50aae6f7c1540d03a7e4474746e820f\"",
                "\"identrust_validate=fXNA1Qb3CuyBMtCOpRZyaKbIaisaX1CBZMlJX+K8Q2KE\"",
                "\"_4euyjhh2akthszptxyklufk2g4nm1jj\"",
                "\"identrust_validate=BvULH7j+tFTCcJxzas5YCHn9MFM82G99zGdJ3Nx7OIJy\"",
                "\"v=spf1 include:luv.southwest.com include:spf.messagelabs.com include:cmail1.com include:amadeus.com ~all\"",
                "\"klaviyo-site-verification=TvuiSP\"",
                "\"apple-domain-verification=AVqb7df_lh4ZY0IFN-xHTHCQfzRorhFBV0YJIEi3dMk\"",
                "\"tsktdktn7wq710fh3lqrrx391kfjwv0y\"",
                "\"_xpn3qn98olo03xr8hj4zxmc12tab31i\"",
                "\"facebook-domain-verification=5tg9b0fpw4l87zy4ga4hqxzrgjnbu7\""
            ],
            "NS": [
                "ns-w21.southwest.com.",
                "ns-w11.southwest.com."
            ],
            "SOA": [
                "sdcscadnsgmavip.swacorp.com. domainrequest.wnco.com. 1666 10800 3600 2419200 900"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "208.94.155.99",
            "66.150.1.229"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:luv.southwest.com include:spf.messagelabs.com include:cmail1.com include:amadeus.com ~all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:dmarc_agg@dmarc.everest.email; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com,mailto:dmarc_fr@dmarc.everest.email;fo=1",
        "dkim_selector": "s1",
        "dkim_host": "s1._domainkey.southwest.com",
        "dkim": "k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+ELs45/6xFZS7pcguWN1xP0v/PI2c7iqKGJ8UHKmVx18RIk/NKV3SEZ0UAblQ5UDtG3UMbyxvCq4B7D6zy1ww/tKVeucPtKi/upghAiJTJb3wCfq7MkgFZZsdNhuxCPiVSmrbjdoYcME68Q5zInZMJWX9hB13nTIp7o3fuSJg+Gxg8kyow6XTH4BrUu/k/sCKUOuQLjz2VE83hsJTKMjyAsbPuaIwHQbUAh+nnKG3TN2Dx4DCrKHMmD1iyBZ48sRbczzPHy9E/Yl2JFZR/8Gjv4QaYZ/EZuqSo08egPNItkz8JRxFH47KDN5B5qwzyzF7qH5ZuMr4fgkkT8PgIiWkQIDAQAB",
        "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": "rdr-w21.southwest.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "208.94.155.99",
                        "66.150.1.229"
                    ],
                    "time_ms": 34.95
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "208.94.155.99",
                        "66.150.1.229"
                    ],
                    "time_ms": 19.26
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "208.94.155.99",
                        "66.150.1.229"
                    ],
                    "time_ms": 37.34
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "208.94.155.99",
                        "66.150.1.229"
                    ],
                    "time_ms": 55.51
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "208.94.155.99",
                        "66.150.1.229"
                    ],
                    "time_ms": 131.85
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "IdenTrust",
        "subject": "www.southwest.com",
        "valid_from": "2026-06-30T10:02:11-05:00",
        "valid_to": "2027-01-15T09:01:11-06:00",
        "days_remaining": 159,
        "san": [
            "southwest.com",
            "www.southwest.com"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
    },
    "http": {
        "url": "https://www.southwest.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "location": "https://www.southwest.com/",
            "server": "BigIP",
            "connection": "Keep-Alive",
            "content-length": "0",
            "content-type": "text/html",
            "etag": "\"89ca1e5237cda5f3df21858cc5651bbc:1784811436.776596\"",
            "last-modified": "Thu, 23 Jul 2026 12:57:16 GMT",
            "expires": "Sun, 09 Aug 2026 11:06:01 GMT",
            "cache-control": "max-age=0, no-cache, no-store",
            "pragma": "no-cache",
            "date": "Sun, 09 Aug 2026 11:06:01 GMT",
            "set-cookie": "ak_bmsc=B48E4BBE3542E2861822FEF56FE0EFA9~000000000000000000000000000000~YAAQt3xCFzx7+66fAQAAhXsz5gB7RrAsRMUBLcaYSjLDcu99QFY/xedFjvRUr8ZG9n5BlazuP2q9cPUGN3opQso+ljOfHnT3XO3ILGoSdk1cDDLH/mcZUEO5keN4y5YwqB6cZWOYV8h3+aIAx/6z39ygjYN2KH9HNGzVNXMpQKCwUYosYDSW/8iVPoJORG1hWHYtOxcZz7nD/1+aRN6VzIJcOoZQGBXUKgNQvDOFky2AFgEVSJ6Z06SkZZhu4THG8Gf/hzckGQ6Z2bI7JLrBMiSuuFTvgyoFs02PNtdbibJmRUcXGmCvfDCMm/8IaiUrar1fqewodaBVWp0vqX+NRfqF83K0U3jLu9By6UfhLMzjqXascNDs5cG4Q6Q8XEtfGZXsk+PIsMBBFJ3e5UKvVa8=; Domain=.southwest.com; Path=/; Expires=Sun, 09 Aug 2026 13:06:01 GMT; Max-Age=7200; HttpOnly",
            "akamai-request-bc": "[a=23.66.124.183,b=510822160,c=g,n=US_IL_CHICAGO,o=20940]",
            "server-timing": "cdn-cache; desc=HIT, edge; dur=0, origin; dur=UNSET",
            "x-content-type-options": "nosniff",
            "content-security-policy": "frame-ancestors 'self' https://mobile.southwest.com https://mobile-offline.southwest.com https://www.southwest.com https://www.swabiz.com;",
            "strict-transport-security": "max-age=31536000",
            "terms-of-service": "Unauthorized access, display, or use of Southwest's Company Information, including fare data, is prohibited by the Terms & Conditions on Southwest.com and Swabiz.com."
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "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": "BigIP",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.southwest.com/",
        "title": "Southwest Airlines | Airline Tickets and Low Fares",
        "description": "Find low fares to top destinations and plan your travel today. Book Southwest flights, rental cars, and hotels on southwest.com.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "208.94.155.99": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "66.150.1.229": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "outgoing.wnco.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 30.1,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4046.5,
                "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": 91.97
}