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            "mail": 70,
            "security": 69,
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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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                "lost_points": 10,
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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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                "category": "mail",
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                "detail": "No tested DKIM selector responded."
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                "category": "mail",
                "title": "MTA-STS",
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                "category": "mail",
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                "category": "security",
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                "category": "network",
                "title": "PTR reverse DNS",
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                "category": "availability",
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                "level": "error",
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                "lost_points": 10
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                "level": "ok",
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                "level": "ok",
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                "level": "ok",
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                "level": "ok",
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                "level": "error",
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                "level": "ok",
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                "level": "ok",
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                "level": "warning",
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                "level": "error",
                "title": "PTR reverse DNS",
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                "level": "warning",
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            {
                "level": "error",
                "title": "IPv6 connectivity",
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                "lost_points": 35
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            {
                "level": "ok",
                "title": "DNS resolution",
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                "lost_points": 0
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                "level": "ok",
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                "lost_points": 0
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            {
                "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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        "dkim": "",
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        "cipher": "TLS_AES_256_GCM_SHA384"
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