{
    "ok": true,
    "domain": "mexc.com",
    "generated_at": "2026-08-09T17:43:53-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 71,
        "label": "Fair",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 65,
            "network": 65,
            "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": 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": "4 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
            },
            {
                "category": "dns",
                "title": "DNSSEC chain",
                "max_points": 15,
                "earned_points": 0,
                "lost_points": 15,
                "detail": "Both DS and DNSKEY are required."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "1 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "27 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 6,
                "lost_points": 4,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 4,
                "lost_points": 31,
                "detail": "1 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: ec2-35-75-180-138.ap-northeast-1.compute.amazonaws.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": 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": "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": "4 NS record(s); 2 or more required.",
                "category": "dns",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SOA record",
                "detail": "Authoritative zone record.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "DNSSEC chain",
                "detail": "Both DS and DNSKEY are required.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 0,
                "lost_points": 15
            },
            {
                "level": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "1 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "27 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": 6,
                "lost_points": 4
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "1 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 4,
                "lost_points": 31
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ec2-35-75-180-138.ap-northeast-1.compute.amazonaws.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": "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": [
                "35.75.180.138",
                "52.69.205.85"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "1 smtp.google.com."
            ],
            "TXT": [
                "\"google-gws-recovery-domain-verification=57670139\"",
                "\"gjr23050dw5pysrw5s0lbtfm6zz9z1mz\"",
                "\"google-site-verification=z2SJZD8KD2V8AQo5quX3VAr-aiXUfCNlZ3pVJvns_zA\"",
                "\"google-site-verification=ZfKFIPdjBiX7a4EewYbuGbspVEhshwoYG9SYNCX0m34\"",
                "\"google-site-verification=mtTkSpSu-n71CmiGvRrN9NpRWL5ijlJhILapzGmJbC0\"",
                "\"MS=89B2718814B9FC3DA0B6F37AC1B61AB0458126FE\"",
                "\"anthropic-domain-verification-x27mp4=kHpztAeUWTmvcdNugUWryLfKK\"",
                "\"google-site-verification=TXV72rAmV6-oO3cKGk2CSILDoEPchLDiVWa36tx-3W8\"",
                "\"v=spf1 include:_spf.google.com -all\"",
                "\"google-site-verification=53GPgOYQ57o7cTdjPoevjN_rNMVR_-ILcwyDWNlbNfw\""
            ],
            "NS": [
                "ns-1144.awsdns-15.org.",
                "ns-372.awsdns-46.com.",
                "ns-745.awsdns-29.net.",
                "ns-1706.awsdns-21.co.uk."
            ],
            "SOA": [
                "ns-372.awsdns-46.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "35.75.180.138",
            "52.69.205.85"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:_spf.google.com -all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:security@securitymail.top; pct=100; adkim=s; aspf=s",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.mexc.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEdZtcOyvjaEKuEDSzUqHIa/ULQUzVvE1HUXqQgUMLdVWH4Cen5ECRfUlIFGiF7gIPJtvLbrB4HWu2T2/l2V7OITqLxoIJw6Z3UcZtjTFF2sXluB+GDBv5fYXzahxSuITv8HnEJHyjTCas7ctfjufUoRJWG9qXmDaXUUx17X+zxwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "v=BIMI1; l=https://vmc.digicert.com/4e02547f-00ac-4030-aa59-81adac157118.svg; a=https://vmc.digicert.com/4e02547f-00ac-4030-aa59-81adac157118.pem",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ec2-35-75-180-138.ap-northeast-1.compute.amazonaws.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "35.75.180.138",
                        "52.69.205.85"
                    ],
                    "time_ms": 72.99
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                        "52.69.205.85"
                    ],
                    "time_ms": 52.91
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "35.75.180.138",
                        "52.69.205.85"
                    ],
                    "time_ms": 30.81
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "35.75.180.138",
                        "52.69.205.85"
                    ],
                    "time_ms": 28.34
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
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                        "52.69.205.85"
                    ],
                    "time_ms": 71.23
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "DigiCert Inc",
        "subject": "*.mexc.com",
        "valid_from": "2026-03-04T18:00:00-06:00",
        "valid_to": "2026-09-05T18:59:59-05:00",
        "days_remaining": 27,
        "san": [
            "*.mexc.com",
            "mexc.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://www.mexc.com/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "date": "Sun, 09 Aug 2026 22:43:43 GMT",
            "content-type": "text/html",
            "content-length": "366",
            "location": "https://www.mexc.com/",
            "server": "openresty",
            "strict-transport-security": "max-age=63072000; includeSubdomains; preload",
            "mime-version": "1.0",
            "expires": "Sun, 09 Aug 2026 22:43:43 GMT",
            "cache-control": "max-age=0, no-cache, no-store",
            "pragma": "no-cache",
            "report-to": "{\"group\": \"nel\",\"max_age\": 2592000, \"endpoints\": [{\"url\":\"https://nel-cf.gotoda.co/nel/report\"},{\"url\":\"https://nel-akm.gotoda.co/nel/report\"}]}",
            "nel": "{\"report_to\": \"nel\", \"max_age\": 2592000, \"response_headers\":[\"Akami-Grn\"] }",
            "access-control-expose-headers": "x-cache",
            "x-cache": "Error from child",
            "akamai-grn": "0.d5714017.1786315423.36ce4692",
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        },
        "security_checks": {
            "strict-transport-security": true,
            "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": "openresty",
        "powered_by": ""
    },
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        "url": "https://www.mexc.com/",
        "title": "MEXC Exchange: Your 0-Fee Gateway to Infinite Opportunities - Trade Bitcoin, Ethereum & Most Trending Tokens",
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        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
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            "success": true,
            "country": "Japan",
            "country_code": "JP",
            "region": "Tokyo",
            "city": "Tokyo",
            "latitude": 35.6894973,
            "longitude": 139.6923172,
            "asn": 16509,
            "organization": "Amazon Data Services Japan",
            "isp": "Amazon.com, Inc.",
            "timezone": "Asia/Tokyo"
        },
        "52.69.205.85": {
            "success": true,
            "country": "Japan",
            "country_code": "JP",
            "region": "Tokyo",
            "city": "Tokyo",
            "latitude": 35.6894973,
            "longitude": 139.6923172,
            "asn": 16509,
            "organization": "Amazon Data Services Japan",
            "isp": "Amazon.com, Inc.",
            "timezone": "Asia/Tokyo"
        }
    },
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                "port": 25,
                "open": false,
                "time_ms": 53.5,
                "banner": "220 mx.google.com ESMTP 586e51a60fabf-459f19ee5absi6848757fac.33 - gsmtp",
                "error": "No connection"
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            {
                "port": 465,
                "open": false,
                "time_ms": 4043.6,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4020.8,
                "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": 80.19
}