{
    "ok": true,
    "domain": "messenger.com",
    "generated_at": "2026-08-08T21:23:14-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 82,
        "label": "Good",
        "categories": {
            "dns": 75,
            "mail": 70,
            "security": 80,
            "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": 5,
                "lost_points": 0,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "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": 0,
                "lost_points": 20,
                "detail": "No tested DKIM selector responded."
            },
            {
                "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": "7 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 2,
                "lost_points": 8,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 23,
                "lost_points": 12,
                "detail": "6 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: edge-star-shv-02-ord5.facebook.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": "ok",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "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": "error",
                "title": "DKIM",
                "detail": "No tested DKIM selector responded.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 0,
                "lost_points": 20
            },
            {
                "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": "7 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 2,
                "lost_points": 8
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "6 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 23,
                "lost_points": 12
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: edge-star-shv-02-ord5.facebook.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": [
                "157.240.254.12"
            ],
            "AAAA": [
                "2a03:2880:f082:10d:face:b00c:0:2"
            ],
            "CNAME": [],
            "MX": [
                "10 mxa-00082601.gslb.pphosted.com.",
                "10 mxb-00082601.gslb.pphosted.com."
            ],
            "TXT": [
                "\"v=spf1 redirect=_spf.fb.com\"",
                "\"google-site-verification=z9mNNADBbsCO2UKMxiu5UFnUz5SvavUmC2Jx-4Lw9RI\"",
                "\"fLEQ2Q8vdk4sDU0r7FqRc8XJoe7FYEj3ihT0KxCABfwuAbMel2204jpnNBjV+c1rfY71OeFf/cTMCKZpzJBPPw==\"",
                "\"google-site-verification=f68cxjENokmrbNLEilsjxlPqbiM3lTmXKGLJFg0OHr4\"",
                "\"MS=ms57472615\"",
                "\"6fd64222-f6ef-4766-87e8-34729703809a\""
            ],
            "NS": [
                "a.ns.facebook.com.",
                "b.ns.facebook.com.",
                "c.ns.facebook.com.",
                "d.ns.facebook.com."
            ],
            "SOA": [
                "a.ns.facebook.com. dns.facebook.com. 4207849484 14400 1800 604800 3600"
            ],
            "CAA": [
                "0 issue \"digicert.com; account=271b0beda0771d006aa3a6c11b05187d456d6c239b46cb5241196095b09c92af\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "157.240.254.12"
        ],
        "ipv6": [
            "2a03:2880:f082:10d:face:b00c:0:2"
        ]
    },
    "mail": {
        "spf": "v=spf1 redirect=_spf.fb.com",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:a@dmarc.facebookmail.com; pct=100",
        "dkim_selector": "x",
        "dkim_host": "",
        "dkim": "",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "edge-star-shv-02-ord5.facebook.com",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "57.144.204.141"
                    ],
                    "time_ms": 76.78
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "57.144.218.141"
                    ],
                    "time_ms": 25.57
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "157.240.11.17"
                    ],
                    "time_ms": 38.04
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "57.144.204.141"
                    ],
                    "time_ms": 61.09
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "157.240.26.18"
                    ],
                    "time_ms": 67.28
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "DigiCert Inc",
        "subject": "*.facebook.com",
        "valid_from": "2026-05-17T19:00:00-05:00",
        "valid_to": "2026-08-16T18:59:59-05:00",
        "days_remaining": 7,
        "san": [
            "*.facebook.com",
            "*.facebook.net",
            "*.fbcdn.net",
            "*.fbsbx.com",
            "*.m.facebook.com",
            "*.messenger.com",
            "*.xx.fbcdn.net",
            "*.xy.fbcdn.net",
            "*.xz.fbcdn.net",
            "facebook.com",
            "messenger.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_CHACHA20_POLY1305_SHA256"
    },
    "http": {
        "url": "https://www.messenger.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "location": "https://www.messenger.com/",
            "strict-transport-security": "max-age=15552000; preload; includeSubDomains",
            "content-type": "text/html; charset=\"utf-8\"",
            "x-fb-debug": "bvisbZHYAH6DrgWlv7XvMlFiwXRJWjPE0Pz5aMzP9/KR1iVVJgFWLC6AU2SXgVQsQjumt1c4eeLpt8tDyXITDA==",
            "content-length": "0",
            "date": "Sun, 09 Aug 2026 02:23:13 GMT",
            "x-fb-connection-quality": "EXCELLENT; q=0.9, rtt=6, rtx=0, c=10, mss=1380, tbw=3580, tp=-1, tpl=-1, uplat=175, ullat=0",
            "alt-svc": "h3=\":443\"; ma=86400",
            "vary": "Accept-Encoding",
            "reporting-endpoints": "coop_report=\"https://www.facebook.com/browser_reporting/coop/?minimize=0\", coep_report=\"https://www.facebook.com/browser_reporting/coep/?minimize=0\", default=\"https://www.messenger.com/ajax/messenger_error_reports/?device_level=unknown&brsid=7671851802600435751&cpp=C3&cv=1044803757&st=1786242193327\", permissions_policy=\"https://www.messenger.com/ajax/messenger_error_reports/\"",
            "report-to": "{\"max_age\":2592000,\"endpoints\":[{\"url\":\"https:\\/\\/www.facebook.com\\/browser_reporting\\/coop\\/?minimize=0\"}],\"group\":\"coop_report\",\"include_subdomains\":true}, {\"max_age\":86400,\"endpoints\":[{\"url\":\"https:\\/\\/www.facebook.com\\/browser_reporting\\/coep\\/?minimize=0\"}],\"group\":\"coep_report\"}, {\"max_age\":259200,\"endpoints\":[{\"url\":\"https:\\/\\/www.messenger.com\\/ajax\\/messenger_error_reports\\/?device_level=unknown&brsid=7671851802600435751&cpp=C3&cv=1044803757&st=1786242193327\"}]}, {\"max_age\":21600,\"endpoints\":[{\"url\":\"https:\\/\\/www.messenger.com\\/ajax\\/messenger_error_reports\\/\"}],\"group\":\"permissions_policy\"}",
            "content-security-policy": "default-src blob: https://*.fbcdn.net https://*.facebook.com *.fbsbx.com *.messenger.com *.facebook.net *.whatsapp.com *.whatsapp.net;script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'nonce-Tz38fN1r' blob: 'self' connect.facebook.net *.messenger.com 'unsafe-eval' https://*.google-analytics.com *.google.com;style-src data: blob: 'unsafe-inline' *.facebook.com *.fbcdn.net *.messenger.com;connect-src http://localhost:3103 *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' *.messenger.com wss://*.messenger.com www.messenger.com wss://*.messenger.com:* https://*.google-analytics.com;font-src *.messenger.com *.facebook.com https://*.fbcdn.net data: https://fonts.gstatic.com;img-src *.fbcdn.net https://*.facebook.com cdninstagram.com *.cdninstagram.com data: *.fbsbx.com *.messenger.com messenger.com blob: android-webview-video-poster: *.xx.fbcdn.net https://messenger.com *.oculuscdn.com *.tenor.co *.tenor.com *.giphy.com https://*.google-analytics.com;media-src *.messenger.com *.facebook.com https://*.fbcdn.net data: *.fbsbx.com *.fbcdn.net *.cdninstagram.com blob: *.tenor.co *.tenor.com https://*.giphy.com;child-src data: blob: https://*.fbcdn.net https://*.facebook.com *.fbsbx.com *.messenger.com;frame-src *.messenger.com *.facebook.com https://*.fbcdn.net data: *.fbsbx.com *.fbcdn.net *.cdninstagram.com blob: *.doubleclick.net;manifest-src data: blob: https://*.fbcdn.net https://*.facebook.com *.fbsbx.com *.messenger.com;object-src data: blob: https://*.fbcdn.net https://*.facebook.com *.fbsbx.com *.messenger.com;",
            "document-policy": "include-js-call-stacks-in-crash-reports",
            "permissions-policy": "accelerometer=(), attribution-reporting=(), autoplay=(), bluetooth=(), camera=(self), ch-device-memory=(), ch-downlink=(), ch-dpr=(), ch-ect=(), ch-rtt=(), ch-save-data=(), ch-ua-arch=(), ch-ua-bitness=(), ch-viewport-height=(), ch-viewport-width=(), ch-width=(), clipboard-read=(), clipboard-write=(self), compute-pressure=(), display-capture=(self), encrypted-media=(), fullscreen=(self), gamepad=(), geolocation=(self), gyroscope=(), hid=(), idle-detection=(), interest-cohort=(), keyboard-map=(), local-fonts=(), magnetometer=(), microphone=(self), midi=(), otp-credentials=(), payment=(), picture-in-picture=(), private-state-token-issuance=(), publickey-credentials-get=(), screen-wake-lock=(), serial=(), shared-storage=(), shared-storage-select-url=(), private-state-token-redemption=(), usb=(), unload=(self), window-management=(), xr-spatial-tracking=();report-to=\"permissions_policy\"",
            "cross-origin-resource-policy": "same-origin",
            "cross-origin-embedder-policy-report-only": "require-corp;report-to=\"coep_report\"",
            "cross-origin-opener-policy": "same-origin-allow-popups",
            "pragma": "no-cache",
            "cache-control": "private, no-cache, no-store, must-revalidate",
            "expires": "Sat, 01 Jan 2000 00:00:00 GMT",
            "x-content-type-options": "nosniff",
            "x-xss-protection": "0",
            "origin-agent-cluster": "?1"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": true,
            "cross-origin-opener-policy": true,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": true
        },
        "server": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.messenger.com/",
        "title": "Messenger",
        "description": "Hang out anytime, anywhere—Messenger makes it easy and fun to stay close to your favorite people",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "157.240.254.12": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "mxa-00082601.gslb.pphosted.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 29.2,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 50.6,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 48.7,
                "banner": "",
                "error": "Connection refused"
            }
        ]
    },
    "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": 83.64
}