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            "availability": 100
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                "category": "dns",
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                "detail": "1 IPv4 address(es) detected."
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                "category": "dns",
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                "category": "dns",
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                "category": "dns",
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                "category": "mail",
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                "category": "mail",
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                "level": "ok",
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            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
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                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
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                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
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                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
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                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
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                "lost_points": 5
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                "level": "ok",
                "title": "Valid TLS certificate",
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                "category": "security",
                "max_points": 55,
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                "level": "ok",
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                "category": "security",
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                "lost_points": 0
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            {
                "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: ;; communications error to 69.64.44.20#53: timed out",
                "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",
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            {
                "level": "ok",
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                "lost_points": 0
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                "level": "ok",
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                "level": "ok",
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                "lost_points": 0
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