{
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    "domain": "msmt.gov.cz",
    "generated_at": "2026-08-14T03:42:20+00:00",
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        "hit": true,
        "ttl": 0
    },
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        "total": 94,
        "label": "Excellent",
        "categories": {
            "dns": 100,
            "mail": 90,
            "security": 88,
            "network": 85,
            "availability": 100
        },
        "category_weights": {
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            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
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                "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": 10,
                "lost_points": 0,
                "detail": "1 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
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                "earned_points": 20,
                "lost_points": 0,
                "detail": "4 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
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                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
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            {
                "category": "dns",
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                "earned_points": 15,
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            },
            {
                "category": "dns",
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                "earned_points": 5,
                "lost_points": 0,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
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                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
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                "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",
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                "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": "41 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": 23,
                "lost_points": 12,
                "detail": "6 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: www.msmt.cz"
            },
            {
                "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": 35,
                "lost_points": 0,
                "detail": "AAAA availability."
            },
            {
                "category": "availability",
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                "earned_points": 40,
                "lost_points": 0,
                "detail": "At least one address family must resolve."
            },
            {
                "category": "availability",
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                "earned_points": 40,
                "lost_points": 0,
                "detail": "HTTP/2 200 "
            },
            {
                "category": "availability",
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                "max_points": 20,
                "earned_points": 20,
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                "detail": "Final URL uses HTTPS."
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        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
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                "detail": "1 IPv4 address(es) detected.",
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            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
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                "earned_points": 10,
                "lost_points": 0
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            {
                "level": "ok",
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                "category": "dns",
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            },
            {
                "level": "ok",
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            },
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                "level": "ok",
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                "earned_points": 15,
                "lost_points": 0
            },
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                "level": "ok",
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                "lost_points": 0
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            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
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                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
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                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
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                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
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                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
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                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
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                "max_points": 5,
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                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
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                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "41 day(s) remaining.",
                "category": "security",
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                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "ok",
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                "category": "security",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "6 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 23,
                "lost_points": 12
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: www.msmt.cz",
                "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": "ok",
                "title": "IPv6 connectivity",
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                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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",
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                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
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                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
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            "AAAA": [
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            "CNAME": [],
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                "a.ns.nic.cz.",
                "b.ns.nic.cz.",
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            "SOA": [
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            "CAA": [
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            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
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        ],
        "ipv6": [
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        "dkim_selector": "selector1",
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        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu/WWYjNUm91SVmK6CxQgMWezp53Oasv59FDQVYfG9NmDJKYFSeO1rW2zTmu44bWfU6hALj3rSyvyWuV610JeK3fbTvNQAc3747QcZV8tpZQhz3uS256miOi0YJ1W1+C4ZxlM3DJB/sadmif4DfcjSCEE5kKzRjWkOw8dsO5Eff93ovlTrnXYEwTP+LVajCuxTbXk7gqzhMx/VR4dXy0RZxHz9ddx+hnvmls0jN0Io/oc0boEfut/VQCBxTMvUJpu/xLp9aCgzdZYD1wjIDXo0nJ7XGwcmbDao3jYeUbTPUa4l5hwY1fmc/Uou81Jltf4N/1J1xyp+dBoPRMQsNHQvQIDAQAB;",
        "spf_analysis": {
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            "lookups": 3,
            "final": "-all",
            "message": "Within the estimated limit"
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        "dmarc_analysis": {
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            "policy": "quarantine"
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        "mta_sts": "",
        "tls_rpt": ""
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    "advanced": {
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                    "provider": "Google",
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        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
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            "expires": "Thu, 19 Nov 1981 08:52:00 GMT",
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            "referrer-policy": "strict-origin",
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            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": true,
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            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Microsoft-IIS/10.0",
        "powered_by": "ARR/3.0"
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        "url": "https://msmt.gov.cz/",
        "title": "MŠMT ČR",
        "description": "Ministerstvo školství, mládeže a tělovýchovy České republiky",
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        "error": "",
        "status": 200
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            "country": "",
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            "asn": "",
            "organization": "",
            "isp": ""
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                "time_ms": 18.4,
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        "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)",
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}