{
    "ok": true,
    "domain": "perplexity.ai",
    "generated_at": "2026-08-08T19:54:02-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 82,
        "label": "Good",
        "categories": {
            "dns": 80,
            "mail": 90,
            "security": 100,
            "network": 70,
            "availability": 60
        },
        "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": 10,
                "lost_points": 0,
                "detail": "2 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": "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": "87 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": 35,
                "lost_points": 0,
                "detail": "9 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "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": 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": 0,
                "lost_points": 40,
                "detail": "HTTP/2 403 "
            },
            {
                "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": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "2 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "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": "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": "87 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": "ok",
                "title": "HTTP security headers",
                "detail": "9 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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": "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": "error",
                "title": "HTTP response",
                "detail": "HTTP/2 403 ",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
    "dns": {
        "records": {
            "A": [
                "104.18.27.48",
                "104.18.26.48"
            ],
            "AAAA": [
                "2606:4700::6812:1a30",
                "2606:4700::6812:1b30"
            ],
            "CNAME": [],
            "MX": [
                "10 alt4.aspmx.l.google.com.",
                "5 alt1.aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "1 aspmx.l.google.com.",
                "10 alt3.aspmx.l.google.com."
            ],
            "TXT": [
                "\"google-site-verification=yh1z5bdB0eCS4wqR1b2qonuJ5d-z6OZk35bmgM1UVHw\"",
                "\"hubspot-developer-verification=YjMzZTc5ZDktNmMyYi00YTQ4LWIyYjEtM2IxMGZlMTVmZWIx\"",
                "\"cursor-domain-verification-5wqrf2=1wEeLXdDy8nL5srlwT1wz3LxO\"",
                "\"openai-domain-verification=dv-zghu2IboDSNgZtbkqFK3Rxb0\"",
                "\"google-site-verification=l-0uTKc1Uf60LaNt0Pkw1wLOBFEKoBIhUrv0EMr1J4U\"",
                "\"google-site-verification=ibVX9i19oU2VW1SgTfQTL4AeOtbgp3WXLj5e7_lm79o\"",
                "\"_2cbkleln05qqj0n48d9wt1l7p8ugemd\"",
                "\"ZOOM_verify_TOGuaujNzVuFZdiK9EyxQ4\"",
                "\"MS=ms75545187\"",
                "\"google-site-verification=qG5LT8x7FYCBk6NsioWebRJ2d2kCRCFpwAINKnNaPoU\"",
                "\"google-gws-recovery-domain-verification=40389003\"",
                "\"doordash-verification=zPYw0fbS6lQKOu216TZhcqV1ovP5fM\"",
                "\"apple-domain-verification=ZMuRv99LHvsS1KTp\"",
                "\"google-site-verification=cTsF5S_Vd7_vDU3aHhf8BtvPZ_0Oq4Vy9qRF7ZnAGeY\"",
                "\"slack-domain-verification=yVf6nREGJnj6LBCkLLADFdZbC32dWQ4Nnlpnptqw\"",
                "\"GOOGLE-SITE-VERIFICATION=U9G-VWUZCL2BH8KGPPCM43-J7S0YDSHLDBUDFXJGXS4\"",
                "\"zapier-domain-verification-challenge=bde234db-a1ee-4c32-85ad-e4c538e51067\"",
                "\"docusign=2dd8c5b2-34bc-4010-8dfc-31320fe8ecf3\"",
                "\"rippling-domain-verification=84aebb4e59f08038\"",
                "\"protonmail-verification=6ac7d35c79dab9552062e5584ef4a8fb1b7787ce\"",
                "\"perplexity-ai-domain-verification-88h07t=oiVGt7nYYgeMpF9XI3L1lAM4t\"",
                "\"anthropic-domain-verification-0nxh7b=KC5XJ4tf0NfPwfWCzA2o4xBkf\"",
                "\"google-site-verification=2p3RCudiqFf4gFvN8xilApMgfMyG-KtCSeGRi8oAIBo\"",
                "\"v=MCPv1; k=ed25519; p=sxNC/5jnzmTrAqyOlRTnzXBCpwgGTKacFy5TsSYp+Yg=\"",
                "\"stripe-verification=914D051C480FE385B2DA0F1AAA80251B398A11417CA17E79FA1F8A3633AB4E47\"",
                "\"stripe-verification=821710750b8dc95b687842d6603d34e3a11d38b8eb098663fd20109562fa64ed\"",
                "\"zoom-domain-verification=ZOOM_verify_39653b6a9e88496eb35e41fc586d9ae2\"",
                "\"PnoIs9mHAvxJ_9Hek1a4qP27oQ\"",
                "\"serval-domain-verification-26qz69=rSCOUCGGIYp9DfigtgntdYomP\"",
                "\"v=spf1 ip4:192.174.84.143 include:_spf.google.com include:mailgun.org include:sendgrid.net ~all\"",
                "\"notion-domain-verification=5Dz8REUMU45X6GGssEa56YmEwFOVaZV7cNgWCWke1Io\""
            ],
            "NS": [
                "emerson.ns.cloudflare.com.",
                "jessica.ns.cloudflare.com."
            ],
            "SOA": [
                "emerson.ns.cloudflare.com. dns.cloudflare.com. 2411710872 10000 2400 604800 1800"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "104.18.27.48",
            "104.18.26.48"
        ],
        "ipv6": [
            "2606:4700::6812:1a30",
            "2606:4700::6812:1b30"
        ]
    },
    "mail": {
        "spf": "v=spf1 ip4:192.174.84.143 include:_spf.google.com include:mailgun.org include:sendgrid.net ~all",
        "dmarc": "v=DMARC1;p=reject;pct=25;rua=mailto:fbfd91c994e04da79e26e045e40c3204@dmarc-reports.cloudflare.net,mailto:dmarc@perplexity.ai,mailto:06d199fb77@rua.easydmarc.us;ruf=mailto:06d199fb77@ruf.easydmarc.us;fo=1;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.perplexity.ai",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlbD3UOivoDnXjcIZBvjpPM84ICxMsOlP/+XZTLGGTDFRf8jiVUQyvYxBZIyvMFjvdUHCqGJvAQoXplWOvhVdjbUPh0Jq1TaqZjLjVdR8AUhG0Y6W2HxxkGb3QBGukfA88Djb5WDbaciElHagGa0gEvJ4N3R78mCy0v6ECkbbQd3Rt7wlOciXRp3NFb4u8fN+2+lxNZ7ww/Bw4y0i5F/Wu6D2Do5hQqki7fn26Fsrkuc86BFt2j0imHKUv4X63BljaPA6GUQcbjpkZirjLeIUM2cmQ7gjuJ2hUA5TmkHCrYdg0xCD5361YMznADeWWSlwwQ748CMpfJNSmbkltjz+RwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "v=BIMI1; l=https://vmc.digicert.com/3747527c-935d-47d0-99ee-c10ab3e22638.svg; a=https://vmc.digicert.com/3747527c-935d-47d0-99ee-c10ab3e22638.pem",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "104.18.26.48",
                        "104.18.27.48"
                    ],
                    "time_ms": 67.39
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "104.18.26.48",
                        "104.18.27.48"
                    ],
                    "time_ms": 43.79
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "104.18.26.48",
                        "104.18.27.48"
                    ],
                    "time_ms": 42.61
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "104.18.26.48",
                        "104.18.27.48"
                    ],
                    "time_ms": 71.15
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "104.18.26.48",
                        "104.18.27.48"
                    ],
                    "time_ms": 123.66
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Google Trust Services",
        "subject": "perplexity.ai",
        "valid_from": "2026-08-06T16:15:42-05:00",
        "valid_to": "2026-11-04T16:15:29-06:00",
        "days_remaining": 87,
        "san": [
            "perplexity.ai",
            "private-preview.docs.perplexity.ai"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.perplexity.ai/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "date": "Sun, 09 Aug 2026 00:53:54 GMT",
            "content-type": "text/html; charset=UTF-8",
            "content-length": "5365",
            "location": "https://www.perplexity.ai/",
            "strict-transport-security": "max-age=15552000; includeSubDomains; preload",
            "server": "cloudflare",
            "cf-ray": "a282c957384a4f76-STL",
            "accept-ch": "Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA",
            "cf-mitigated": "challenge",
            "content-security-policy": "default-src 'none'; script-src 'nonce-mXAavFl7XYgDURWMZeijmg' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'",
            "critical-ch": "Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA",
            "cross-origin-embedder-policy": "require-corp",
            "cross-origin-opener-policy": "same-origin",
            "cross-origin-resource-policy": "same-origin",
            "origin-agent-cluster": "?1",
            "permissions-policy": "accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*",
            "referrer-policy": "same-origin",
            "server-timing": "chlray;desc=\"a282c957384a4f76\"",
            "x-content-type-options": "nosniff",
            "x-frame-options": "SAMEORIGIN",
            "set-cookie": "__cf_bm=Yjwwk3f8WAIU2wf8ezRXP3_Eo1unCeoNHYG8pJEg8Pc-1786236834.432987-1.0.1.1-e5wzYNPvyRQ75GSMnP8MQV.Hk3CX7ZsZnxDUcZudBtDTCj7kYhGNd8hJr7RoBOzLgaqRJRQkmt.BqoIS28AM1AVa4oMUmSe4rIKEt8oiseYvb3HXp3SnlfqXxtAqOrxc; HttpOnly; SameSite=None; Secure; Path=/; Domain=perplexity.ai; Expires=Sun, 09 Aug 2026 01:23:54 GMT",
            "cache-control": "no-cache, no-store"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": true,
            "cross-origin-opener-policy": true,
            "cross-origin-embedder-policy": true,
            "cross-origin-resource-policy": true
        },
        "server": "cloudflare",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.perplexity.ai/",
        "title": "Just a moment...",
        "description": "",
        "success": true,
        "error": "",
        "status": 403
    },
    "network": {
        "104.18.27.48": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "104.18.26.48": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "alt4.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.6,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4021.1,
                "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": 81
}