{
    "ok": true,
    "domain": "aliyun.com",
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        "hit": true,
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    },
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        "total": 78,
        "label": "Good",
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            "mail": 70,
            "security": 65,
            "network": 70,
            "availability": 100
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            "mail": 20,
            "security": 25,
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            "availability": 20
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                "category": "dns",
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                "earned_points": 30,
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            {
                "category": "dns",
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            {
                "category": "dns",
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                "detail": "3 NS record(s); 2 or more required."
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                "category": "dns",
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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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                "earned_points": 20,
                "lost_points": 0,
                "detail": "1 MX record(s)."
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            {
                "category": "mail",
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                "earned_points": 25,
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                "detail": "SPF policy published."
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                "category": "mail",
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                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
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                "category": "mail",
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                "earned_points": 0,
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                "detail": "No tested DKIM selector responded."
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                "category": "mail",
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                "category": "mail",
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                "category": "security",
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                "category": "security",
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                "category": "network",
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                "detail": "PTR not detected."
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            {
                "category": "network",
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                "earned_points": 20,
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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": "ok",
                "title": "MX records",
                "detail": "1 MX record(s).",
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            {
                "level": "ok",
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                "detail": "SPF policy published.",
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            },
            {
                "level": "ok",
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                "lost_points": 0
            },
            {
                "level": "error",
                "title": "DKIM",
                "detail": "No tested DKIM selector responded.",
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                "lost_points": 20
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
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                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
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                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
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            {
                "level": "warning",
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                "lost_points": 4
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            {
                "level": "warning",
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                "lost_points": 31
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
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                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
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                "earned_points": 35,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 connectivity",
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                "level": "ok",
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            {
                "level": "ok",
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                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
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                "earned_points": 20,
                "lost_points": 0
            }
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                "ns4.aliyun.com.",
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            "SOA": [
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            "CAA": [
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            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
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        "dkim_selector": "x",
        "dkim_host": "",
        "dkim": "",
        "spf_analysis": {
            "valid": true,
            "lookups": 0,
            "final": "-all",
            "message": "Within the estimated limit"
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            "valid": true,
            "policy": "reject"
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        "mta_sts": "",
        "tls_rpt": ""
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                    "provider": "Google",
                    "server": "8.8.8.8",
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