{
    "ok": true,
    "domain": "kharkiv.ua",
    "generated_at": "2026-08-10T15:23:20-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 66,
        "label": "Fair",
        "categories": {
            "dns": 85,
            "mail": 75,
            "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": "7 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": 15,
                "lost_points": 0,
                "detail": "DS and DNSKEY detected."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 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": 5,
                "lost_points": 0,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "45 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": "No successful HTTP response."
            },
            {
                "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": "7 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": "ok",
                "title": "DNSSEC chain",
                "detail": "DS and DNSKEY detected.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "2 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "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": "ok",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "45 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": "No successful HTTP response.",
                "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": [
                "195.69.185.101"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "0 relay.kh.ua.",
                "10 mx.eastua.net."
            ],
            "TXT": [
                "\"WHOIS: http://whois.kharkiv.ua\"",
                "\"URL: http://coordinator.ua\"",
                "\"v=spf1 +a +mx include:_spf.coordinator.ua ~all\"",
                "\"kharkiv.ua 2026081018 538\"",
                "\"Build on: BUILD_TIME\"",
                "\"Build on: 2026-08-10 18:35:00 +0300\""
            ],
            "NS": [
                "ho1.eunic.net.ua.",
                "ns.kh.ua.",
                "ns.zp.ua.",
                "ns.dn.ua.",
                "nn.ns.ua.",
                "ns.sm.ua.",
                "ns.net.ua."
            ],
            "SOA": [
                "ho1.eunic.net.ua. info.eunic.net.ua. 2608101835 3600 1800 1814400 1800"
            ],
            "CAA": [],
            "DS": [
                "36289 13 2 36C20C6E9210E08446A826A9EDE162D549512494B144A67EC67485D1 B644FB6D"
            ],
            "DNSKEY": [
                "256 3 13 9AYUjpCm3kchmT7PukfKYZD5qt2WgGQKZu4B5X0YLWolVLxklgs5/qWs D8625djdFZatwUpt0xTpw4RHWnz1jQ==",
                "257 3 13 byQZXQ9sup7uuQcz39bLKjBuTUKotGN4ILYvz2BBMWnrGkW2g5ijScig cCUydufLxynPTPCS3wmUgMCOVF1v7w=="
            ],
            "RRSIG": [
                "DNSKEY 13 2 28800 20260924143500 20260810143500 16459 kharkiv.ua. 6xt7ZTrYBqHnKxfyzItF8E2ELaiLAG3HIQZIEUIj73x/jb9J19jA/FU6 ntNQ5BE78NN6TBjQxuXPq9k4AJ/lPw==",
                "DNSKEY 13 2 28800 20260924143500 20260810143500 36289 kharkiv.ua. 55KdpEXJIjYxSsQd0h9C2pQCbDJdt2M3HhJBdRrXbHPpvFanrfyVwIEz LeqsZN8xfMERrBMPb6cvJYcjlJF47w==",
                "TXT 13 2 28800 20260924143500 20260810143500 16459 kharkiv.ua. IOY/M8j1LDW3Txpq8whA2ROE+bQDCbXO1iWtl5BA/fHpbgA+6DmT42O+ VV5KJOJfgZvKxuk3CJiABsB/QPbh6w==",
                "MX 13 2 28800 20260924143500 20260810143500 16459 kharkiv.ua. /KFOlaS7b9+gU6ANQaS/43OWuLmB6V/LfWZmp2736ry8yL/eaILjpOXP byMOnLFrSatqZRHXMuhtFbCQYHbcXg==",
                "NS 13 2 28800 20260924143500 20260810143500 16459 kharkiv.ua. EJKO20Zr+FEVJqPADxBxByqm9erCgxOGTdSP5ubYpXVdWzFRSZaR2MNC xRFoqTyXB1T+GR2o14OtmAif//7dJg==",
                "SOA 13 2 28800 20260924143500 20260810143500 16459 kharkiv.ua. 1sqU8qPyvrLYxJGZPgIvLhhIb4POYnZ+aAzm9neJp06UM0AvtGPwIAyU 5MBjbXW9FOV90JcEQdZE458lxdOBJQ==",
                "A 13 2 28800 20260924143500 20260810143500 16459 kharkiv.ua. sEjWMoYzhljY//E/hy5e/eXnLc+iRZCLhXOBvOogypj0pmBsFsPl1rsj 5nNyXzN5jqB9tSH1n9IkhpqFcQAFpQ==",
                "DS 13 2 10801 20260914181928 20260810164928 32091 ua. 422LsHwNtnbydkmeKeG6fETSrFovElSoGWYbmEXpXZRAwIsmqlbAxS0z 1GAV3K/VmDp/u8hpiifmzqZRZwKDMg=="
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "195.69.185.101"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 +a +mx include:_spf.coordinator.ua ~all",
        "dmarc": "v=DMARC1; p=quarantine; sp=none; adkim=s; aspf=s; ruf=mailto:dmarc-reports@kharkiv.ua",
        "dkim_selector": "x",
        "dkim_host": "",
        "dkim": "",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": "v=TLSRPTv1; rua=mailto:tls-reports@coordinator.ua"
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "195.69.185.101"
                    ],
                    "time_ms": 87.88
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "195.69.185.101"
                    ],
                    "time_ms": 41.86
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "195.69.185.101"
                    ],
                    "time_ms": 23.58
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "195.69.185.101"
                    ],
                    "time_ms": 1270.19
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "195.69.185.101"
                    ],
                    "time_ms": 168.65
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "www.kharkiv.ua",
        "valid_from": "2026-06-26T19:49:38-05:00",
        "valid_to": "2026-09-24T19:49:37-05:00",
        "days_remaining": 45,
        "san": [
            "www.kharkiv.ua"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
    },
    "http": {
        "url": "https://kharkiv.ua/",
        "status": "",
        "http_version": "0",
        "headers": [],
        "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": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://kharkiv.ua/",
        "title": "",
        "description": "",
        "success": false,
        "error": "SSL: no alternative certificate subject name matches target host name 'kharkiv.ua'"
    },
    "network": {
        "195.69.185.101": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "relay.kh.ua",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 1.3,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 139,
                "banner": "",
                "error": "No connection"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4020.4,
                "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": 97.32
}