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        "label": "Excellent",
        "categories": {
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            "mail": 90,
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            "network": 85,
            "availability": 100
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        "category_weights": {
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            "mail": 20,
            "security": 25,
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                "category": "dns",
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            {
                "category": "dns",
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                "category": "dns",
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                "detail": "Certificate authority restriction."
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                "category": "dns",
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                "detail": "Agreement between public resolvers."
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            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
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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": "DMARC policy published."
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            {
                "category": "mail",
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                "earned_points": 10,
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            },
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                "category": "security",
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                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
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                "lost_points": 0,
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            {
                "category": "network",
                "title": "IPv4 diversity",
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                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
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                "level": "ok",
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                "level": "ok",
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                "level": "error",
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                "level": "ok",
                "title": "Valid TLS certificate",
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                "level": "ok",
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                "level": "warning",
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                "level": "ok",
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                "level": "warning",
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                "level": "ok",
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            "NS": [
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            "SOA": [
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        "security_checks": {
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