{
    "ok": true,
    "domain": "vietnamnet.vn",
    "generated_at": "2026-08-09T11:42:11-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
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        "total": 75,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 65,
            "security": 69,
            "network": 65,
            "availability": 100
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "5 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "3 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
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                "category": "dns",
                "title": "DNSSEC chain",
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                "earned_points": 0,
                "lost_points": 15,
                "detail": "Both DS and DNSKEY are required."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
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                "earned_points": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
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                "earned_points": 20,
                "lost_points": 0,
                "detail": "7 MX record(s)."
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            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
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                "earned_points": 0,
                "lost_points": 25,
                "detail": "DMARC policy not found."
            },
            {
                "category": "mail",
                "title": "DKIM",
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                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
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                "lost_points": 5,
                "detail": "Mail transport policy."
            },
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                "category": "mail",
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                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
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                "earned_points": 55,
                "lost_points": 0,
                "detail": "218 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
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                "earned_points": 10,
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            },
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                "category": "security",
                "title": "HTTP security headers",
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                "lost_points": 31,
                "detail": "1 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: static.cmcti.vn"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
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                "earned_points": 35,
                "lost_points": 0,
                "detail": "Two or more IPv4 addresses receive full points."
            },
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                "category": "network",
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                "lost_points": 35,
                "detail": "AAAA availability."
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                "detail": "At least one address family must resolve."
            },
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                "category": "availability",
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                "earned_points": 40,
                "lost_points": 0,
                "detail": "HTTP/2 200 "
            },
            {
                "category": "availability",
                "title": "HTTPS final URL",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "Final URL uses HTTPS."
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                "title": "IPv4 (A)",
                "detail": "5 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "IPv6 (AAAA)",
                "detail": "0 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
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                "category": "dns",
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                "lost_points": 0
            },
            {
                "level": "ok",
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                "detail": "Authoritative zone record.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "DNSSEC chain",
                "detail": "Both DS and DNSKEY are required.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 0,
                "lost_points": 15
            },
            {
                "level": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "7 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "DMARC",
                "detail": "DMARC policy not found.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 0,
                "lost_points": 25
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "218 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "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: static.cmcti.vn",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "DNS resolution",
                "detail": "At least one address family must resolve.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTP response",
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                "category": "availability",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "HTTPS final URL",
                "detail": "Final URL uses HTTPS.",
                "category": "availability",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            }
        ]
    },
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                "\"google-site-verification=Xxm3s4skDwEpycFWMSkE-k-OmiIno-FwE1cuQ2D5YqA\"",
                "\"MS=ms81369246\"",
                "\"_globalsign-domain-verification=g5AgVk9x1l77iD0Lj4CAOMKH0cbf641s9byuFp-Z0Q\"",
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                "\"_globalsign-domain-verification=Wjx6nP0daZsBplnHWCU65ht02Ljgi-cjkOszhW_gpu\"",
                "\"v=spf1 include:_spf.google.com ~all\"",
                "\"_globalsign-domain-verification=LKf55zaEmT_gSjmIXzq2KSRDZQkTAnYTQptDIjOaCo\"",
                "\"_globalsign-domain-verification=-OUG81Va_4tREdCPgpPYTSeioPZfM3tFuhdq9rjHQA\"",
                "\"_globalsign-domain-verification=eBb00LbKvJFcx_dpMKl3gnMAvlEsH11R5X-HtFTF1X\"",
                "\"3jh0vtw93kgp38tkg0195tghfgty37ws\"",
                "\"google-site-verification=JQ3lAPqwMPcK3D-ks1pj6C9QP-fDW591xZbHkbdfvAg\"",
                "\"_globalsign-domain-verification=ZxrN4BZ8aNv6hph3CoAi2Hmt7udqHBX7awoNK2WW92 \"",
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            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
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        "ipv4": [
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            "202.134.19.16",
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        "dmarc": "",
        "dkim_selector": "s1",
        "dkim_host": "s1._domainkey.vietnamnet.vn",
        "dkim": "k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtEGp8zNNss2kvxourk3vhpKFFq9S2Pj5dMaNrd3uDv1EWQM8UiQOmYxo96dRrFFFMX6FuoKlgP+z58nYVpSH5mPavCAb5BqrxB/70KcPgDi0sEZkcYiVymUkJyxeu8HR+ERtAkiSS4Lao9HOS1FVH2GZcb6VQAUXz3p2o7kpsIbHxN5vMemZnJKs3+8M52CcAJYo1PF7uUKPPZHElnGJENXt3z78809sSsX1PHxZE9GeIg0uTmdVdoSVJMQFBug+w3yTjF5uMcijGc7EwqKV5Bfctuf2av2glQ4xSzvuZE+Sp1+PRmWBDth5dZTW/Y/+GQOKqcQ5lztmhPlddJiyfQIDAQAB",
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            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
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        "dmarc_analysis": {
            "valid": false,
            "policy": ""
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        "mta_sts": "",
        "tls_rpt": ""
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                    "provider": "Google",
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                    "provider": "AdGuard",
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        "issuer": "GlobalSign nv-sa",
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        "valid_to": "2027-03-15T23:01:09-05:00",
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        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
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        "headers": {
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            "date": "Sun, 09 Aug 2026 16:42:01 GMT",
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            "x-content-type-options": "nosniff",
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            "content-security-policy": false,
            "x-content-type-options": true,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "nginx",
        "powered_by": ""
    },
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        "error": "",
        "status": 200
    },
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            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
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            "asn": "",
            "organization": "",
            "isp": ""
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            "city": "",
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            "organization": "",
            "isp": ""
        },
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            "country": "",
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            "organization": "",
            "isp": ""
        }
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    "smtp": {
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                "time_ms": 22,
                "banner": "220 mx.google.com ESMTP 006d021491bc7-6b02bd861dcsi5902597eaf.31 - gsmtp",
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                "time_ms": 4010.2,
                "banner": "",
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                "time_ms": 4009.9,
                "banner": "",
                "error": "Connection timed out"
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    "visitor": {
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        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
        "user_agent": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)",
        "is_bot": true,
        "cloudflare": false
    },
    "analysis_time_ms": 111.86
}