{
    "ok": true,
    "domain": "ntv.ru",
    "generated_at": "2026-08-09T08:58:44-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 81,
        "label": "Good",
        "categories": {
            "dns": 75,
            "mail": 90,
            "security": 69,
            "network": 65,
            "availability": 100
        },
        "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": "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": "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": 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": "66 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": 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: ddos-guard.net"
            },
            {
                "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": 40,
                "lost_points": 0,
                "detail": "HTTP/2 200 "
            },
            {
                "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": "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": "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": "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": "66 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": "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: ddos-guard.net",
                "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": "ok",
                "title": "HTTP response",
                "detail": "HTTP/2 200 ",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "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": [
                "185.129.100.166",
                "185.129.100.162"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "20 kmx2.ntv.ru.",
                "20 kmx3.ntv.ru."
            ],
            "TXT": [
                "\"String: abgsfetd9845nnf900\"",
                "\"globalsign-domain-verification=HY1EPqeDU48OGI-ziHcvxZyRXElKY-eN1cSPkjyoU3\"",
                "\"MS=ms27674064\"",
                "\"globalsign-domain-verification=s_PfrHWgUpgptiLlPSTXBvKpbwO88CEV-5Tf9KVmV5\"",
                "\"16c8039a-49a3-4f1f-a94f-4bac4d7e2d14\"",
                "\"yandex-verification: 847f9c4f6d1da5e1\"",
                "\"v=spf1 ip4:195.3.240.0/22 ip4:195.46.176.103 ip4:185.129.100.135 -all\"",
                "\"globalsign-domain-verification=nH8IulQrEEKIz-hJtse5dTSNQRA1gZ6Ia7_Aw_5kTf\"",
                "\"google-site-verification=k-0xYlEfnU4U9-nydXj1eYCC_2ErulCcKvTv3wMlfx4\"",
                "\"globalsign-domain-verification=gQB4AGTczRQkni3-BS_bbhm4RyzSe0j-DlnRAh3n-O\"",
                "\"ku//pjQsaxYlZd75lCQqj3N3mVbRpgt5Vx+YlyYruJ8CiJLY8f4/XdfTMTraSAuZinT/0OYLO5/fgYD0IbgSoA==\"",
                "\"d750d73e-c3fd-42fb-adf0-ae2e559685a0\"",
                "\"google-site-verification=nsg4d0tBBCW2qMgCRkv1xJZHxKt-KnbYPkJo8Qj5cNo\""
            ],
            "NS": [
                "ns7.ntv.ru.",
                "ns8.ntv.ru."
            ],
            "SOA": [
                "ns7.ntv.ru. adm-group.ntv.ru. 1783327401 900 600 604800 3600"
            ],
            "CAA": [
                "0 issue \"letsencrypt.org\"",
                "0 issue \"globalsign.com\"",
                "0 issuewild \"harica.gr\"",
                "0 issue \"harica.gr\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "185.129.100.166",
            "185.129.100.162"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:195.3.240.0/22 ip4:195.46.176.103 ip4:185.129.100.135 -all",
        "dmarc": "v=DMARC1; p=none; rua=mailto:adm-group@ntv.ru",
        "dkim_selector": "mail",
        "dkim_host": "mail._domainkey.ntv.ru",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpiAYu9ZtwL+tnQMjKtlmEvPx3TIUvcVUAHP2Pi07wUDh+g46JLR7GNooH/Q1CesTsGsOrxFQHgF9/kPBxsDDPva6F44MeKeAY6LOivHh0yp1/TzNLmmyL4Ow81EfdixADoq3EHuf09FhRKWtoZ0xnTiGVG74wgPUpsO/VAfv71QIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 0,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ddos-guard.net",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "185.129.100.162",
                        "185.129.100.166"
                    ],
                    "time_ms": 202.23
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "185.129.100.162",
                        "185.129.100.166"
                    ],
                    "time_ms": 444.86
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "185.129.100.162",
                        "185.129.100.166"
                    ],
                    "time_ms": 362.48
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "185.129.100.162",
                        "185.129.100.166"
                    ],
                    "time_ms": 502.9
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "185.129.100.162",
                        "185.129.100.166"
                    ],
                    "time_ms": 316.65
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "GlobalSign nv-sa",
        "subject": "www.ntv.ru",
        "valid_from": "2026-03-30T05:35:13-05:00",
        "valid_to": "2026-10-15T05:35:13-05:00",
        "days_remaining": 66,
        "san": [
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            "sip.ntv.ru",
            "av.ntv.ru",
            "mail.ntv.ru",
            "dialin.ntv.ru",
            "wc.ntv.ru",
            "dev.ntv.ru",
            "internal.ntv.ru",
            "stage.ntv.ru",
            "ceph.ntv.ru",
            "meet.ntv.ru",
            "lyncwc.ntv.ru",
            "*.ntv.ru",
            "*.dev.ntv.ru",
            "*.internal.ntv.ru",
            "*.stage.ntv.ru",
            "*.ceph.ntv.ru",
            "*.k8s.ntv.ru",
            "ntv.ru"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.ntv.ru/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "date": "Sun, 09 Aug 2026 13:58:34 GMT",
            "content-type": "text/html; charset=utf-8",
            "content-length": "164",
            "location": "https://www.ntv.ru",
            "vary": "Accept-Encoding",
            "x-powered-by": "Express",
            "strict-transport-security": "max-age=0; includeSubDomains"
        },
        "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": "",
        "powered_by": "Express"
    },
    "webpage": {
        "url": "https://www.ntv.ru/",
        "title": "НТВ.Ru // Новости, видео, передачи и сериалы НТВ, прямой эфир и телепрограмма",
        "description": "Официальный сайт телекомпании НТВ. Онлайн-вещание, все главные новости, полные выпуски передач, лучшие сериалы и фильмы",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "185.129.100.166": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "185.129.100.162": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "kmx2.ntv.ru",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 152.4,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4008.4,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4008,
                "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": 82.07
}