{
    "ok": true,
    "domain": "sourceware.org",
    "generated_at": "2026-08-09T03:44:04-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 90,
        "label": "Excellent",
        "categories": {
            "dns": 100,
            "mail": 90,
            "security": 73,
            "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": "1 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "7 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": 15,
                "lost_points": 0,
                "detail": "DS and DNSKEY detected."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "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": "2 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": "61 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": 8,
                "lost_points": 27,
                "detail": "2 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: vm01.sourceware.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": 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": [
            {
                "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": "1 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "7 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": "ok",
                "title": "DNSSEC chain",
                "detail": "DS and DNSKEY detected.",
                "category": "dns",
                "max_points": 15,
                "earned_points": 15,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "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": "2 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": "61 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": "2 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 8,
                "lost_points": 27
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: vm01.sourceware.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": "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
            }
        ]
    },
    "dns": {
        "records": {
            "A": [
                "38.145.34.32"
            ],
            "AAAA": [
                "2620:52:6:3111::32"
            ],
            "CNAME": [
                ";; communications error to 69.64.44.20#53: timed out"
            ],
            "MX": [
                ";; communications error to 69.64.44.20#53: timed out",
                "0 sourceware.org."
            ],
            "TXT": [
                "\"v=spf1 a mx -all\"",
                "\"yahoo-verification-key=FkQalhs7gfn9CmZWYOovdMxOBXDSg4tHRk/33a/moSs=\"",
                "\"google-site-verification=tzJCZQEMKeo4BQjffu_qwm1y5z4CLdYz2xZeuR7PyZE\""
            ],
            "NS": [
                "ns.elastic.org.",
                "ns2.linode.com.",
                "ns1.linode.com.",
                "ns4.linode.com.",
                "ns5.linode.com.",
                "sourceware.org.",
                "ns3.linode.com."
            ],
            "SOA": [
                "sourceware.org. root.sourceware.org. 2026071514 14400 1800 1728000 21600"
            ],
            "CAA": [
                "0 issue \"letsencrypt.org\""
            ],
            "DS": [
                "64003 13 1 73963C89925B738A606A8D44A5DED8E558D030FA",
                "64003 13 2 7999DAFA92E8F5A47B90170D1645E220325E825432523B6889F44985 46573159",
                "27852 13 1 9305926FD5D0D91D49E44917226435EDB0794DFF",
                "27852 13 2 09B86E2AA44D22203DB4AE438FBA4B5B10B4A4BB854D79D2E4C1430E 1CB0F345"
            ],
            "DNSKEY": [
                "256 3 13 r0bau11cPYH/ZC7lKOv0r3++nOQIWcgMsmucvJj457X5t+lVQ+VuocPN ONmyB6wBTrMi8/7CqSBoOUMoR6jLeA==",
                "257 3 13 aooAOTSxSo6Tbuhb0ZQEOIf/SWtZ1388JNVpA9Vpmrz5uBrbf1zS1tn/ ZdXVOYYZ3FpKwEX5ruAXidkYFltfxA=="
            ],
            "RRSIG": [
                "DNSKEY 13 2 86400 20260826085609 20260727081853 27852 sourceware.org. 2GNDVMGdWrx0LRwWogRDNTS43I0tw2WVnblg2qYj/Y7wudtVW6fbnuzN TXsXt7K9JqoURWTEWVP4/0xWvzw4YQ==",
                "DNSKEY 13 2 86400 20260826085609 20260727081853 64003 sourceware.org. DpDRdGTe4XAAnYMvVb5JYsO7jkFxecfClNGQVD4m4TIw15uXCOc8gO26 HTFVyPFIvc3Lq31z2q/42aMSknvSVg==",
                "A 13 2 21600 20260818083743 20260719080041 64003 sourceware.org. b3RMmVinc2DPm26jGNBQInYHrV/TolqBp8GAn96fqAbewJPwyE8CcbIv EUY8EUfHazawWR868TbBSc4mRrERsA==",
                "NS 13 2 21600 20260818083743 20260719080041 64003 sourceware.org. vS1g/i8wKzJkQwenFccvsUvQpJ+Xg8zdacDdOquIbqRyoOJ5MFihtuxR 9xBQ696jjDImiGW7Fz0WzLrFGxfbPw==",
                "MX 13 2 21600 20260818083743 20260719080041 64003 sourceware.org. OkMStU0ydcx69BTkTGe5zHO47ELGHE8eoHt71MBJnNasOGgfp5F312Gl vSd5eHDC0cyC1gwjwOdmGupca+ISgw==",
                "AAAA 13 2 21600 20260818083743 20260719080041 64003 sourceware.org. Mvm8LOI+B/Rf3OtSglroI8isSdtHutuk5zKUZITKRRQMR+J28+NgJqHq cDAxvwRGl5rADyVFvKaxQXaPR1DZ8w==",
                "DS 8 2 3600 20260822152352 20260801142352 44925 org. DjwavCm/sthgZxNItCc5102LbFVX3g2wwItzp8P/Q3oT7yRSbDrCb3Av 5VCrqp6uPXTx3t5kXxN10rU7bOfdPNgLD7RhVE+7GpD0manBlPyAtuZL N0wuFPMHDsbbzjo6K4zeb9cyU5+zoLnjJgaf5zSLgnRW1rDLTjqyMnxJ CHM=",
                "CAA 13 2 21600 20260818083743 20260719080041 64003 sourceware.org. Ib7LZWuwuD9+NOWm1xvb+S6EiGI1lZszSc+vUshcg/6zWINg6LKSQ1E5 vRx8kDZHR9O9ks5J3t8Ywaz1Lebiyg=="
            ],
            "NSEC": [
                "_dmarc.sourceware.org. A NS SOA MX TXT AAAA SSHFP RRSIG NSEC DNSKEY CAA"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": [
                "3 2 E1BA9FBA5323320EFF2FFDFC309070EE654C32EE841FEDCC80C8ADAC 245D161A",
                "1 2 305362733CDF5FCFE7BCB4916704770B1332C9C2AD31A9FAE199B80B 7EF715E3",
                "4 1 5BC94F9B5ACBF9BED18DCD64E87B71682297F3B6",
                "1 1 418ABC865D5A33AED7DCC0807D825EB9F2964CB8",
                "1 2 B4E9F3C5520CB65DCBCC1CDAA30F1D66870ECD2D57A5A45A02A0F787 298BA995",
                "1 1 FBB1777C379FBD59D86E13984C91948A4F297CDE",
                "3 1 807F401287749849EA880DF52F9A60A0489EDAE4",
                "4 2 E43AEAA2737F35C05A9494524A913CE93651B8D88162E920817FE3D3 67DED6A0"
            ]
        },
        "ipv4": [
            "38.145.34.32"
        ],
        "ipv6": [
            "2620:52:6:3111::32"
        ]
    },
    "mail": {
        "spf": "v=spf1 a mx -all",
        "dmarc": "v=DMARC1;p=quarantine;pct=100;rua=mailto:re+kbpxmekob11@dmarc.postmarkapp.com;sp=none;aspf=r;",
        "dkim_selector": "default",
        "dkim_host": "default._domainkey.sourceware.org",
        "dkim": "v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLwqjBbSGRiaqBX0INRfT5J8UMusxb6w5PYxMQXlZmRP+stvUoXCEreR2Uw7ARHSTuKUkrpXcQ+cvmsWuktF1xLJh7rO4H6aeK8VngapZTL1YhRztHS7cTkiwgVZeXcYNJM+0eFsJ4PkjsggagyuH4JQEkR7evRMIVnEpx4h1qkwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "vm01.sourceware.org",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "38.145.34.32"
                    ],
                    "time_ms": 36.67
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "38.145.34.32"
                    ],
                    "time_ms": 26.55
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "38.145.34.32"
                    ],
                    "time_ms": 44.88
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "38.145.34.32"
                    ],
                    "time_ms": 29.68
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "38.145.34.32"
                    ],
                    "time_ms": 1221.31
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "sourceware.org",
        "valid_from": "2026-07-11T09:00:28-05:00",
        "valid_to": "2026-10-09T09:00:27-05:00",
        "days_remaining": 61,
        "san": [
            "ecos.sourceware.org",
            "sourceware.org",
            "www.sourceware.org"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://sourceware.org/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "nginx",
            "date": "Sun, 09 Aug 2026 08:44:04 GMT",
            "content-type": "text/html; charset=UTF-8",
            "accept-ranges": "bytes",
            "vary": "Accept-Encoding",
            "content-security-policy": "default-src 'self' http: https:",
            "strict-transport-security": "max-age=16070400"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": false,
            "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": ""
    },
    "webpage": {
        "url": "https://sourceware.org/",
        "title": "sourceware.org:  Free software!  Get your fresh hot free software!",
        "description": "Sourceware free software",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "38.145.34.32": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "out",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 4.9,
                "banner": "",
                "error": "php_network_getaddresses: getaddrinfo failed: Name or service not known"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4.2,
                "banner": "",
                "error": "php_network_getaddresses: getaddrinfo failed: Name or service not known"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 0.9,
                "banner": "",
                "error": "php_network_getaddresses: getaddrinfo failed: Name or service not known"
            }
        ]
    },
    "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": 105.94
}