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            "mail": 90,
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            "availability": 100
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            "mail": 20,
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                "category": "dns",
                "title": "IPv6 (AAAA)",
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                "category": "mail",
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                "detail": "2 MX record(s)."
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                "category": "mail",
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                "detail": "SPF policy published."
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                "category": "mail",
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                "detail": "TLS reporting policy."
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                "category": "network",
                "title": "PTR reverse DNS",
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                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
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                "category": "network",
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                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
            },
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                "lost_points": 10
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                "level": "ok",
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                "level": "ok",
                "title": "DMARC",
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                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
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                "earned_points": 20,
                "lost_points": 0
            },
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                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
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                "level": "error",
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                "lost_points": 5
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                "level": "ok",
                "title": "Valid TLS certificate",
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                "level": "ok",
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                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
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                "level": "warning",
                "title": "HTTP security headers",
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                "category": "security",
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                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
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                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
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            {
                "level": "warning",
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