{
    "ok": true,
    "domain": "avast.com",
    "generated_at": "2026-08-08T21:12:38-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 85,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 81,
            "network": 85,
            "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": "1 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "2 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "6 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."
            },
            {
                "category": "dns",
                "title": "DNSSEC chain",
                "max_points": 15,
                "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",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "1 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "178 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 16,
                "lost_points": 19,
                "detail": "4 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: a23-78-9-179.deploy.static.akamaitechnologies.com"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15,
                "detail": "Two or more IPv4 addresses receive full points."
            },
            {
                "category": "network",
                "title": "IPv6 connectivity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "detail": "AAAA availability."
            },
            {
                "category": "availability",
                "title": "DNS resolution",
                "max_points": 40,
                "earned_points": 40,
                "lost_points": 0,
                "detail": "At least one address family must resolve."
            },
            {
                "category": "availability",
                "title": "HTTP response",
                "max_points": 40,
                "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."
            }
        ],
        "methodology": "Each category is normalized to 100. The total is the weighted sum: DNS 25%, Email 20%, Security 25%, Network 10%, Availability 20%.",
        "diagnostics": [
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                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "2 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "6 NS record(s); 2 or more required.",
                "category": "dns",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SOA record",
                "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": "error",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "ok",
                "title": "MX records",
                "detail": "1 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": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "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": "178 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": "4 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 16,
                "lost_points": 19
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: a23-78-9-179.deploy.static.akamaitechnologies.com",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 20,
                "lost_points": 15
            },
            {
                "level": "ok",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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",
                "detail": "HTTP/2 200 ",
                "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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    "dns": {
        "records": {
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                "23.78.9.179"
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            "AAAA": [
                "2600:1407:3c00:1482::21c7",
                "2600:1407:3c00:1486::21c7"
            ],
            "CNAME": [],
            "MX": [
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            "TXT": [
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                "\"security-notifications=soc@avast.com\"",
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                "\"knowbe4-site-verification=482fcbc151a32d4f6ba2feaebc35407e\"",
                "\"apple-domain-verification=1kYfASdchMq7OLKO\"",
                "\"google-site-verification=k82twljI92zx21IOUUAFZRhI1H9SYuCQ0Sl-yvWhgkk\"",
                "\"google-site-verification=iGnE-HdPoFw1rbSBbllQkT1qrXCwnQfOE1qoe50U9QY\"",
                "\"v=spf1 redirect=spfc.avast.com\"",
                "\"segment-site-verification=intxU1LpjrdINW7QHilYM6C9blznrTdI\"",
                "\"google-site-verification=9KZgt0QBAQTOnPP6NKOGigeO-vW176OMT9yjzS7fZD8\"",
                "\"site24x7-signals-domain-verification=d265eba98d152d1c9dafc5b3f5044af8\""
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            "NS": [
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                "a11-66.akam.net.",
                "a13-65.akam.net.",
                "a1-182.akam.net.",
                "a6-67.akam.net."
            ],
            "SOA": [
                "a1-182.akam.net. hostmaster.avast.com. 2020054114 3600 600 604800 300"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "23.78.9.179"
        ],
        "ipv6": [
            "2600:1407:3c00:1482::21c7",
            "2600:1407:3c00:1486::21c7"
        ]
    },
    "mail": {
        "spf": "v=spf1 redirect=spfc.avast.com",
        "dmarc": "v=DMARC1; p=quarantine; sp=none; rua=mailto:dmarc_agg@vali.email; ruf=mailto:dmarcruf@avast.com; adkim=r; aspf=r; ri=86400; fo=1; pct=100",
        "dkim_selector": "default",
        "dkim_host": "default._domainkey.avast.com",
        "dkim": "v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwAYsuFxUQrxHwQgYXTyff2KlH8ndNYvyB1ZzcsZivHDYWk0Xnf/CtPNi2r5a1NwsdCU/3Dti+T+jsAW5H46NRFBPlRwELX8V97U/G/N8VqRz0vAIbnHPYEu1hjnbgq/UTro21evACirxbYiTirFn80jfdt3KqjHNXV8+/WgMXDQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "v=BIMI1; l=https://static3.avast.com/web/i/logo/avast-logo-default.svg?v=55;",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "a23-78-9-179.deploy.static.akamaitechnologies.com",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "23.78.9.179"
                    ],
                    "time_ms": 46.61
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                    ],
                    "time_ms": 28.52
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "23.217.77.127"
                    ],
                    "time_ms": 48.44
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
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                    ],
                    "time_ms": 49.82
                },
                {
                    "provider": "AdGuard",
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                    "result": [
                        "23.56.163.124"
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                    "time_ms": 52.21
                }
            ]
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    },
    "ssl": {
        "available": true,
        "issuer": "Sectigo Limited",
        "subject": "www.avast.com",
        "valid_from": "2026-07-19T19:00:00-05:00",
        "valid_to": "2027-02-03T17:59:59-06:00",
        "days_remaining": 178,
        "san": [
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            "avast.cz",
            "forum.avast.com",
            "foundation.avast.com",
            "help.avast.com",
            "press.avast.co.jp",
            "press.avast.com",
            "press.avast.ua",
            "safezone.avast.com",
            "stage-www.avast.co.jp",
            "stage-www.avast.ua",
            "submissions.norton.com",
            "submit.norton.com",
            "www.avast.cn",
            "www.avast.co.jp",
            "www.avast.cz",
            "www.avast.de",
            "www.avast.ua"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.avast.com/en-us/index",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "Apache",
            "content-type": "text/html;charset=utf-8",
            "content-length": "0",
            "location": "https://www.avast.com/en-us/index",
            "x-redirect-by": "Redman",
            "x-origin-cache": "redman-prod-259-d5xf",
            "traceparent": "00-e66278b1c8d94a563f247a69eefb6352-e309262cbebec8f3-00",
            "x-cloud-trace-context": "e66278b1c8d94a563f247a69eefb6352/16359649095020628211",
            "date": "Sun, 09 Aug 2026 02:12:29 GMT",
            "connection": "keep-alive",
            "set-cookie": "gd_daily=e44b036e-3788-4656-bb4a-5726fa227724; Max-Age=86400; Domain=.avast.com; Path=/; Secure; SameSite=Lax",
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            "x-xss-protection": "1; mode=block",
            "cross-origin-opener-policy": "same-origin",
            "x-content-type-options": "nosniff",
            "x-frame-options": "SAMEORIGIN",
            "last-modified": "Wed, 05 Aug 2026 09:00:11 GMT",
            "etag": "\"b40cb-65848ffbace03-gzip\"",
            "strict-transport-security": "max-age=31536000; includeSubdomains"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": true,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Apache",
        "powered_by": ""
    },
    "webpage": {
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        "title": "Avast | Download Free Antivirus & VPN | 100% Free & Easy",
        "description": "Join hundreds of millions of others & get free antivirus for PC, Mac, & Android. Surf safely with our VPN. Download Avast!",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
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            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "avast-com.mail.protection.outlook.com",
        "ports": [
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                "port": 25,
                "open": false,
                "time_ms": 17.6,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4043.6,
                "banner": "",
                "error": "Connection timed out"
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                "port": 587,
                "open": false,
                "time_ms": 4020.7,
                "banner": "",
                "error": "Connection timed out"
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        ]
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    "visitor": {
        "ip": "216.73.217.62",
        "reverse": "",
        "country": "",
        "country_code": "",
        "region": "",
        "city": "",
        "latitude": null,
        "longitude": null,
        "isp": "",
        "organization": "",
        "asn": "",
        "timezone": "",
        "browser": "Other",
        "os": "Other",
        "language": "",
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        "is_bot": true,
        "cloudflare": false
    },
    "analysis_time_ms": 89.38
}