{
    "ok": true,
    "domain": "archive.org",
    "generated_at": "2026-08-08T17:05:18-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 80,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 77,
            "network": 50,
            "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": 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": "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": 10,
                "lost_points": 0,
                "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": "184 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": 12,
                "lost_points": 23,
                "detail": "3 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: www.archive.org"
            },
            {
                "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": 0,
                "lost_points": 35,
                "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": [
            {
                "level": "ok",
                "title": "IPv4 (A)",
                "detail": "1 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",
                "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": "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": "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": "184 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": "3 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 12,
                "lost_points": 23
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: www.archive.org",
                "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": "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",
                "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
            }
        ]
    },
    "dns": {
        "records": {
            "A": [
                "207.241.224.2"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "100 smtp.google.com."
            ],
            "TXT": [
                "\"8ptfmp7ldsrm99l4h8faqrjo17\"",
                "\"t44orrgdmehs56t0qtiuri47io\"",
                "\"brave-ledger-verification=helloarchive.org\"",
                "\"google-site-verification=ZkKkXmzrzbWYiTTj_Js7OokIcxjveE89BiwhcHXCq-g\"",
                "\"google-site-verification=jG-1u9Cab2yUEOgG_HdB1DuUZ03oaNIPU93Vp-nnJLw\"",
                "\"MS=ms84122558\"",
                "\"v=spf1 mx ip4:207.241.224.6/32 ip4:207.241.224.2/32 include:_spf.google.com include:spf.braintreegateway.com include:_spf.salesforce.com -all\"",
                "\"brightdata-site-verification=b65e50d2b97851b4872653329f68d7c2\"",
                "\"atlassian-domain-verification=AayvCFYrHZxErANHNVvoXR/RxRkCrZHgMCRDL2lfbyF3JFND0IW5NQyCOmgEIKiS\""
            ],
            "NS": [
                "ns3.archive.org.",
                "ns0036.secondary.cloudflare.com.",
                "ns1.archive.org.",
                "ns-global.kjsl.com.",
                "ns0208.secondary.cloudflare.com.",
                "ns2.archive.org."
            ],
            "SOA": [
                "ns1.archive.org. hostmaster.archive.org. 2026080702 600 300 864000 600"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "207.241.224.2"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 mx ip4:207.241.224.6/32 ip4:207.241.224.2/32 include:_spf.google.com include:spf.braintreegateway.com include:_spf.salesforce.com -all",
        "dmarc": "v=DMARC1;p=none;rua=mailto:dmarc@archive.org",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.archive.org",
        "dkim": "v=DKIM1; k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvvBxxOwvwCsCexjvfBc/26lbLlsujI1YXiODpeTYvcUqQwEG2ay9MjGjsNsdMt47EXkhv0k6C/J+9lZ1V2WHkCtONw7hQnjuUxjkAEfvVwfOR695UFYSnDqtjJvK8GuLlFqn/qUyy7vzddAmNbacq25AmnDJaKmQxhjP/YIQa80ErGdE03FTGpW2NxoUQ9dzLFXZwaep3/dmk2Vdqb28aZo9RIGImUfSPZejdhZU0bvquPwOEzzNkCkKaRDj7i+l1mHe2RXevLLX6Hp79pOzG2BtT86/hBgl/lBdQ6l5AS7uYmj63/peGLYRGwHw5dSGROq4pHNZE/vzP6NG6cs7CQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 4,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "www.archive.org",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "207.241.224.2"
                    ],
                    "time_ms": 61.76
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "207.241.224.2"
                    ],
                    "time_ms": 45.22
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "207.241.224.2"
                    ],
                    "time_ms": 50.54
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "207.241.224.2"
                    ],
                    "time_ms": 51.91
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "207.241.224.2"
                    ],
                    "time_ms": 47.61
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "GoDaddy.com, Inc.",
        "subject": "*.archive.org",
        "valid_from": "2026-01-08T16:02:42-06:00",
        "valid_to": "2027-02-09T16:02:42-06:00",
        "days_remaining": 184,
        "san": [
            "*.archive.org",
            "archive.org"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://archive.org/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "nginx/1.31.3",
            "date": "Sat, 08 Aug 2026 22:05:09 GMT",
            "content-type": "text/html; charset=utf-8",
            "last-modified": "Thu, 06 Aug 2026 23:12:59 GMT",
            "vary": "Accept-Encoding",
            "content-security-policy": "report-uri https://archive.org/services/csp-report; base-uri 'self'; default-src *; img-src * data: blob:; object-src 'none'; media-src * blob:; connect-src * data: blob:; worker-src 'self' blob:; script-src https://archive.org/offshoot_assets/ https://*.archive.org/offshoot_assets/ https://offshoot.prod.archive.org/offshoot_assets/ https://archive.org/includes/ https://*.archive.org/includes/ https://offshoot.prod.archive.org/includes/ https://archive.org/components/ https://*.archive.org/components/ https://offshoot.prod.archive.org/components/ https://archive.org/v/ https://offshoot.prod.archive.org/v/ https://offshoot.prod.archive.org/upload/app/ https://av.archive.org/ https://av.archive.org/js/ https://av.prod.archive.org/js/ https://av.dev.archive.org/ https://esm.archive.org/ https://esm.ext.archive.org/ https://polyfill.archive.org/v3/polyfill.min.js https://offshoot.prod.archive.org/ https://www.google.com/recaptcha/ https://www.gstatic.com/recaptcha/ 'sha256-CoX53XgCdkM1zegYEEpMUeYIZnv663inNm8bQv2VRbM=' https://apollo.archive.org/ https://auth.bookshare.org/ https://openlibrary.org/query.json https://emularity-engine.ux-b.archive.org/ https://emularity-config.ux-b.archive.org/ https://emularity-bios.ux-b.archive.org/ https://archive.org/services/emularity/ https://offshoot.prod.archive.org/services/emularity/ 'wasm-unsafe-eval' https://apis.google.com/ https://accounts.google.com/ https://accounts.google.com/gsi/ https://workforcenow.adp.com/ https://synerg.adp.com/ https://*.zdassets.com/ https://*.zendesk.com/; style-src 'unsafe-inline' https://archive.org/ https://*.archive.org/ https://offshoot.prod.archive.org/ https://esm.archive.org/ https://esm.ext.archive.org/ https://offshoot.prod.archive.org/ https://av.archive.org/css/ https://av.dev.archive.org/css/ https://accounts.google.com/gsi/ https://synerg.adp.com/;",
            "accept-ranges": "bytes",
            "strict-transport-security": "max-age=15724800",
            "onion-location": "https://archivep75mbjunhxc6x4j5mwjmomyxb573v42baldlqu56ruil2oiad.onion/",
            "expires": "Sat, 08 Aug 2026 22:20:09 GMT",
            "cache-control": "max-age=900",
            "referrer-policy": "no-referrer-when-downgrade"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "nginx/1.31.3",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://archive.org/",
        "title": "Internet Archive: Digital Library of Free & Borrowable Texts, Movies, Music & Wayback Machine",
        "description": "",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "207.241.224.2": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "smtp.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 22.7,
                "banner": "220 mx.google.com ESMTP 006d021491bc7-6b04492bd2asi2482638eaf.83 - gsmtp",
                "error": "No connection"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4021.4,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4021.3,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "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": "",
        "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": 93.09
}