{
    "ok": true,
    "domain": "ru.net",
    "generated_at": "2026-08-11T01:04:05-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 47,
        "label": "Critical",
        "categories": {
            "dns": 85,
            "mail": 45,
            "security": 0,
            "network": 50,
            "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": "3 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": 0,
                "lost_points": 25,
                "detail": "DMARC policy not found."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 0,
                "lost_points": 20,
                "detail": "No tested DKIM selector responded."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55,
                "detail": "No valid certificate was retrieved."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "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": 30,
                "lost_points": 0,
                "detail": "PTR: pr-dublin.nichost.ru"
            },
            {
                "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": "3 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": "error",
                "title": "DMARC",
                "detail": "DMARC policy not found.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 0,
                "lost_points": 25
            },
            {
                "level": "error",
                "title": "DKIM",
                "detail": "No tested DKIM selector responded.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 0,
                "lost_points": 20
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "Valid TLS certificate",
                "detail": "No valid certificate was retrieved.",
                "category": "security",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55
            },
            {
                "level": "error",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "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": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: pr-dublin.nichost.ru",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15
            },
            {
                "level": "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": [
                "178.210.74.11"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "90 relay2.relcom.ru.",
                "80 relay1.relcom.ru."
            ],
            "TXT": [
                "\"v=spf1 include:_spf-ru-net.relcomhost.ru -all\""
            ],
            "NS": [
                "ns4-geo.nic.ru.",
                "ns8-geo.nic.ru.",
                "ns3-geo.nic.ru."
            ],
            "SOA": [
                "ns3-geo.nic.ru. hostmaster.nic.ru. 404184 7200 900 2592000 3600"
            ],
            "CAA": [],
            "DS": [
                "62086 8 2 274EF8129C66C6DEB608EE636D9E72F7EDDD5ACAC9711C39E2B799B9 08AF700E"
            ],
            "DNSKEY": [
                ";; communications error to 69.64.44.20#53: timed out",
                ";; communications error to 69.64.44.50#53: timed out",
                "; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> ru.net DNSKEY +short +time=1 +tries=1",
                ";; global options: +cmd",
                ";; no servers could be reached"
            ],
            "RRSIG": [
                "DNSKEY 8 2 345600 20260901104502 20260802104502 62086 ru.net. u5S9mLVgfDUbA559BQ9q5ZEkwW++6r0cTlE57nnBsqcR1vGKUCI0S/du +zLluvWE/LkufPPRAUwsnr1R9GbeiMA8UVog0E3tfEF1//58NjH+R6fP AfsRhTq1AfY9t3/Wj5Ie5fC92xumU1PIdnbhpOG5vGvmkBSKrO98JouZ 06RF/WtKAb6cUp9VLrkg3NtM+i0JjHZ1yyFJnflQAvoZ76svHm/mRlKr 0d64KoOnRQZ6ju1X3glYE6of+kSERGWu2Piu2Z36B7y5j3K4hXtbc9VC YHM71RrEjcjNM96NaYVLGCCCGcVoK5RhXmjI/UemOhl2o1bFO6IIjlCk ILcJbA==",
                "MX 8 2 345600 20260821064502 20260722064502 14 ru.net. iotZCOdNY+6lMmnhRPD2I507nvHo+RJsMj8kS/UbI4YQeFYa4RfPVgU0 jhWGySZtaRYDcQWJ81R4iGKZVtt/18f+DaS1EwTL9DmlC8a0EeAcWRUE /R4yKLrbjvDRMKmNSfbFQl928Eb/v8Fy/OSBIukDFMTeYtgRdQkwiG5f 0hA=",
                "SOA 8 2 345600 20260910034502 20260811034502 14 ru.net. iikcA0ucdBa5bFiLbH2DWc+AiYs2VFlffr7aKMIBvC16OSJpvHAxWHGz p3bwqCRtkxlbmTJhLRZ2YpQRHdx12o6a2KghzoxtL3S11AxmwQ56W1mh QC+L3qDXvWWJtrne3ajW+GiTWnj4eJfAw9xP7UTPx1TqqnvPlasb+B36 cyM=",
                "NS 8 2 345600 20260821064502 20260722064502 14 ru.net. raG0rEFrpkYo7b3lj1hNWNhjg9JPyHXYDJJ1e9qtHKqXj/b9/FAU7mga VT9Co62/9Jd86Eg03iAQ7gnUAhlWgmXd+ZklaTzFYZrPE/FcSQY2zSCB AsjCjfQFI7YDkBFg0ypPCx8wnyM9WCtGT5vDFgOafJJ3o2gkC7XLyCW2 EDc=",
                "A 8 2 345600 20260821064502 20260722064502 14 ru.net. M6wRgAf9pwfIs2GOLxzZ8/jJDh6aMP8PIop+ASs5+LRE8CpSHHoW4u0K WsI6+kRB5d17W0FJTK5/o42Cz2XDSJ4Tl+Aw3uouwViCYzJD/ehsOjmX bgVmSMG1mIUeqreGNjGbUqaraiJH97gLpanPwGBANYR+GfQv7f5nkJQw m5Y=",
                "DS 13 2 86400 20260815034831 20260808023831 7272 net. PwVJh6tyvorJHtW5isqL2DPi73WPJ2VJcWzSfM1jhMSVH35wvquf8Gpr Xc8f7CMriEngHvPgCyBknzixfENMfw=="
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "178.210.74.11"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:_spf-ru-net.relcomhost.ru -all",
        "dmarc": "",
        "dkim_selector": "x",
        "dkim_host": "",
        "dkim": "",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": false,
            "policy": ""
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "pr-dublin.nichost.ru",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "178.210.74.11"
                    ],
                    "time_ms": 61.72
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "178.210.74.11"
                    ],
                    "time_ms": 623.51
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "178.210.74.11"
                    ],
                    "time_ms": 30.05
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "178.210.74.11"
                    ],
                    "time_ms": 1272.78
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "178.210.74.11"
                    ],
                    "time_ms": 44.71
                }
            ]
        }
    },
    "ssl": {
        "available": false,
        "issuer": "",
        "subject": "",
        "valid_from": "",
        "valid_to": "",
        "days_remaining": null,
        "san": [],
        "protocol": "",
        "cipher": "",
        "error": "Connection refused"
    },
    "http": {
        "url": "https://ru.net/",
        "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://ru.net/",
        "title": "",
        "description": "",
        "success": false,
        "error": "Failed to connect to ru.net port 443 after 146 ms: Connection refused"
    },
    "network": {
        "178.210.74.11": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "relay2.relcom.ru",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 149.7,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 299.2,
                "banner": "",
                "error": "No connection"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 153.7,
                "banner": "220-cpanel5.relcomhost.ru ESMTP Exim 4.96.2  #2 Tue, 11 Aug 2026 09:04:05 +0300",
                "error": "No connection"
            }
        ]
    },
    "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": 90.56
}