{
    "ok": true,
    "domain": "kalshi.com",
    "generated_at": "2026-08-11T06:18:02-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 67,
        "label": "Fair",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 65,
            "network": 20,
            "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": "1 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": 5,
                "lost_points": 0,
                "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": "75 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
                "detail": "0 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "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": 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": 0,
                "lost_points": 40,
                "detail": "HTTP/2 429 "
            },
            {
                "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": "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": "ok",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "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": "75 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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": "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": "error",
                "title": "HTTP response",
                "detail": "HTTP/2 429 ",
                "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": [
                "64.239.109.1"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 alt1.aspmx.l.google.com.",
                "1 aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "10 aspmx3.googlemail.com.",
                "10 aspmx2.googlemail.com."
            ],
            "TXT": [
                "\"v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:mail.zendesk.com -all\"",
                "\"google-site-verification=i3Cvmu2kfUGbcTyi1WvKigBIpKgt5K0qNOxacM2yBI4\"",
                "\"doordash-verification=oVO7oUbsQhZGaE8j3Pt3ZyKCsQipg5\"",
                "\"google-site-verification=YZKpSVZBs6rxxiM11EnHDxeE323-aDkxbyV5yKeneOI\"",
                "\"google-site-verification=mSUMeSGTHCq5FOfN6M5wGFVTchLtOx5GCTw5hqaykTI\"",
                "\"google-site-verification=us886DNOula7nd7qH4mI0dtkNnXRmJet3UbYAJ1vdTk\"",
                "\"_tgclumxjjgspi8rwzy4xo9t50ac4m2x\"",
                "\"google-site-verification=96DRYTqD88uZ8PD77EMQBFu3sCbUaL3K90bL4-L3AaU\"",
                "\"google-site-verification=65pVt2GVVZccZ6C0-RwxWQS5AM6iIOHRU7VVwpYtXcg\"",
                "\"openai-domain-verification=dv-0sqeulasGxcyTIDAHV9ZZouL\"",
                "\"linear-domain-verification=5r7zw3qbwu36\"",
                "\"stripe-verification=8eb50c9e2b41c20127a3e424d055c7f1f2fa286f076d89fb3ff7d19eebc3f1d0\"",
                "\"engine-domain-verification=826366\"",
                "\"google-site-verification=9tHDmHXZca4dmfQY1z3BmgR_VNPpaenZm6xu78FjUgU\"",
                "\"twilio-domain-verification=ab16912995a277e80d811dd1d2a8283d\"",
                "\"facebook-domain-verification=uxf1tqtiyzv14rh64qqkl13o265tbd\"",
                "\"hibp-verify=dweb_60zxrkiuxypw80wuhvy96hz6\"",
                "\"google-site-verification=7cyIicJ9rUWSvpiEgF8fl6Xb70ufvn466NHVSCFt-yE\"",
                "\"cursor-domain-verification-avcq7j=wsSsTjnwOXeJz4g71Mpe9qpRF\"",
                "\"Probely=d0d7e273-b715-4755-97a5-4aa56e2b1163\"",
                "\"google-site-verification=gBf6-V-1TWNMuDplU6kzA1mmwEGTyWuG99unwO6WNk0\"",
                "\"stripe-verification=C89F439F43A5363B0BDADD45F538A708E02E375231379ACBFEBAE166056F23C8\"",
                "\"CKO=cli_oop7zdkd6lautnjpmbky2vp3bq\"",
                "\"MS=ms80613339\"",
                "\"apple-domain-verification=2DCkyqi2qBw0WuxQ\""
            ],
            "NS": [
                "violet.ns.cloudflare.com.",
                "dale.ns.cloudflare.com."
            ],
            "SOA": [
                "dale.ns.cloudflare.com. dns.cloudflare.com. 2411810404 10000 2400 604800 1800"
            ],
            "CAA": [
                "0 issuewild \"amazonaws.com\"",
                "0 issue \"awstrust.com\"",
                "0 issue \"ssl.com\"",
                "0 issuewild \"letsencrypt.org\"",
                "0 issuewild \"amazontrust.com\"",
                "0 issuewild \"amazon.com\"",
                "0 issue \"amazontrust.com\"",
                "0 issuewild \"awstrust.com\"",
                "0 issue \"amazon.com\"",
                "0 issuewild \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issue \"amazonaws.com\"",
                "0 issuewild \"ssl.com\"",
                "0 issue \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issue \"letsencrypt.org\"",
                "0 issuewild \"digicert.com; cansignhttpexchanges=yes\"",
                "0 issuewild \"comodoca.com\"",
                "0 issue \"comodoca.com\"",
                "0 issue \"digicert.com; cansignhttpexchanges=yes\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "64.239.109.1"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:mail.zendesk.com -all",
        "dmarc": "v=DMARC1; p=quarantine; rua=mailto:re+u4qknqmpwdh@dmarc.postmarkapp.com; pct=25",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.kalshi.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApkV4e8feb3k/JHF3Osn3ktIrVyAv8tNCunx1MW3VvmkCoaFuSx5euENYbsX9PXFuDDS0GtXnKbzhg8ik0w+xkBoXTudcF++iTtaAiv+dmQrxapabgjU8N1kgGEVM+jLgpXnkmC3Trlh4wqMenHvl6OoqRC69oqqgydPtznJ9HWASY6ZoJaIhWBs+R56hJWXX2ed9TFL2r6Wm0rc548AOJJlYNDDFDsr1G6BDxHE1JS63CROfxKDQzlQSoWZX0Eo+C2iWRQEmxezbmkCENu6pYPYoJa5NZ+D+0JoefS+5/1t8urQiWnHkuUH9AGW32j5nw5GtQEB3s8cXcsQoKoj4zQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "v=BIMI1;l=https://kalshi-public-docs.s3.us-east-1.amazonaws.com/images/kalshi_1402976767.svg;a=https://kalshi-public-docs.s3.us-east-1.amazonaws.com/bimi/kalshi_1402976767.pem",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "64.239.109.1"
                    ],
                    "time_ms": 53.63
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "64.239.109.1"
                    ],
                    "time_ms": 39.92
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "64.239.109.1"
                    ],
                    "time_ms": 50.53
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "64.239.109.1"
                    ],
                    "time_ms": 55.18
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "64.239.109.1"
                    ],
                    "time_ms": 75.85
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "kalshi.com",
        "valid_from": "2026-07-27T23:40:36-05:00",
        "valid_to": "2026-10-25T23:40:35-05:00",
        "days_remaining": 75,
        "san": [
            "kalshi.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://kalshi.com/",
        "status": "HTTP/2 429 ",
        "http_version": "3",
        "headers": {
            "cache-control": "private, no-store, max-age=0",
            "content-type": "text/html; charset=utf-8",
            "server": "Vercel",
            "x-vercel-challenge-token": "2.1786447073.60.NGNjMjdjNGY2NGQyZmExYThkOTQ3OWU2N2EyNjRjMTA7YTFlMWI0NzE7Y2UxZjVmOWI3ZjNjZjk1ZjZmNjY3ZjIxNDkwNzY2YTAzMzYxYWEzMTszOych1nkEFnTZsuZsFWM+hckJXY865VDgFVC/gfBmSomXozN2p6skVJcJJasimVU=.7e928d8084b5fb8444b9dccd1d8d8686",
            "x-vercel-id": "cle1::1786447073-HcZ72YjBiIrCQOdMFVw9A3GDS5PBQRGw",
            "x-vercel-mitigated": "challenge",
            "date": "Tue, 11 Aug 2026 11:17:53 GMT"
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Vercel",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://kalshi.com/",
        "title": "Vercel Security Checkpoint",
        "description": "",
        "success": true,
        "error": "",
        "status": 429
    },
    "network": {
        "64.239.109.1": {
            "success": true,
            "country": "United States",
            "country_code": "US",
            "region": "California",
            "city": "Los Angeles",
            "latitude": 34.0536909,
            "longitude": -118.2427659,
            "asn": 16509,
            "organization": "Vercel, Inc",
            "isp": "Amazon.com, Inc.",
            "timezone": "America/Los_Angeles"
        }
    },
    "smtp": {
        "host": "alt1.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.9,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4021.1,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4020.7,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.217.62",
        "reverse": "",
        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
        "user_agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
        "is_bot": true,
        "cloudflare": false
    },
    "analysis_time_ms": 83.33
}