{
    "ok": true,
    "domain": "iza.org",
    "generated_at": "2026-08-09T12:43:23-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 74,
        "label": "Fair",
        "categories": {
            "dns": 70,
            "mail": 65,
            "security": 84,
            "network": 20,
            "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": "5 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": "3 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": 0,
                "lost_points": 25,
                "detail": "DMARC policy not found."
            },
            {
                "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": "91 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": 19,
                "lost_points": 16,
                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "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/1.1 200 OK"
            },
            {
                "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": "5 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": "3 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": "91 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": "5 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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/1.1 200 OK",
                "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": [
                "131.220.86.90"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 esa3.rhrz.uni-bonn.de.",
                "10 esa2.rhrz.uni-bonn.de.",
                "10 esa1.rhrz.uni-bonn.de."
            ],
            "TXT": [
                "\"postman-domain-verification=0ca3420867f56417bb3063fb99a929e341bf07803dea32cae6d860385ccb9fdb3a31261f51f0e06c0c03b66401ee3c7ef8e827cd83c1cef50e0f1a880cfa55a8\"",
                "\"_telesec-domain-validation=328572_2023-11-29_xTQEEnZR8Q5Aoha8oCV6DJtse28CTLgf3enVmeAtxd7nbtfbNt\"",
                "\"MS=ms35467897\"",
                "\"google-site-verification=OAHTQZ1fQJlabcv7LTpg6OBn1MhuqqkSDSaF6wV-NKM\"",
                "\"_telesec-domain-validation=354588_2025-11-03_UHjG3bXHghi1DrOEDjj6E209qJBLkL4yNQ0xVo2lorXJ97AW4A\"",
                "\"v=spf1 a mx a:cl1.iza.org ip4:131.220.86.42/32 ip4:131.220.86.43/32 ip4:162.13.112.124/32 ip4:85.214.19.177/32 ip6:2a00:1a48:7806:116:be76:4eff:fe08:755b ~all\""
            ],
            "NS": [
                "dns1.uni-bonn.de.",
                "cl1.iza.org.",
                "dns2.uni-bonn.de.",
                "name-server.iza.org.",
                "dns3.uni-bonn.de."
            ],
            "SOA": [
                "name-server.iza.org. root.mail-server.iza.org. 2023011344 86400 3600 604801 240"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "131.220.86.90"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 a mx a:cl1.iza.org ip4:131.220.86.42/32 ip4:131.220.86.43/32 ip4:162.13.112.124/32 ip4:85.214.19.177/32 ip6:2a00:1a48:7806:116:be76:4eff:fe08:755b ~all",
        "dmarc": "",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.iza.org",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzGSDTr22WU38T9BZZWS6HesOgF9IyKA+1I9Hd+RrSXm4yVrC5hHFDW/mSP/ytPxDsQ9swRG7IYTZixDnmqpDabcx5XumZSN+kneHrTS9EpktEASgFrt0OEgCvw2TI3b0aoTeAqpTrVGhaHqHnNAUwHbZe7BKBB+k9/oSFoJ0oNO4jedL80QXoPI87XHYXdGzYJtkK0vmLj6829KBUMk48dNAmLBFkHhEDdy+82Ykuhbq/jJGdOgIqf0hSCHMqCq0C+j4KBFJfQWfP8pda4styTJpfJ78Y+rZMNbHRfax/tCu4ms81deoYXtsSt2UO2M5+pbrgnvfi+zqyxBLkIko9wIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 3,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": false,
            "policy": ""
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "131.220.86.90"
                    ],
                    "time_ms": 225.02
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "131.220.86.90"
                    ],
                    "time_ms": 307.47
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "131.220.86.90"
                    ],
                    "time_ms": 160.31
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "131.220.86.90"
                    ],
                    "time_ms": 953.75
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "131.220.86.90"
                    ],
                    "time_ms": 510
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Deutsche Telekom Security GmbH",
        "subject": "*.iza.org",
        "valid_from": "2025-11-04T03:41:15-06:00",
        "valid_to": "2026-11-08T17:59:59-06:00",
        "days_remaining": 91,
        "san": [
            "*.iza.org",
            "iza.org"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.iza.org/",
        "status": "HTTP/1.1 200 OK",
        "http_version": "2",
        "headers": {
            "content-length": "0",
            "location": "https://www.iza.org/",
            "cache-control": "no-cache, private",
            "content-type": "text/html; charset=utf-8",
            "date": "Sun, 09 Aug 2026 17:43:13 GMT",
            "set-cookie": "laravel_session=eyJpdiI6InV3bmVTbFNJbGFOaTU1dEFMZEdyYkE9PSIsInZhbHVlIjoiNWpqNkgzTjFwdnl4bm5aanJSS0haRXlNa0Zjd1h3Ry9uaVlFY1dkRGJRWXliUEx1VWhaRzd6VGxSMGZBekpGemxmOWM3cGF1d1BMc0NGYmNsc2pya1UwazJRWWdDQkFTMGlIbm5YOG1oUzVVVmowNzF6TmUxZzZWM2V4UFJ6ODAiLCJtYWMiOiJhNjU3ZDY3MDM3MGU2Yzg0YTI1NmJjYTMyMTM4MDViODk4MGZjYjAzNWUxMzU0NmE5NTFlODU0NDU3N2M1MzhiIiwidGFnIjoiIn0%3D; expires=Sun, 09 Aug 2026 19:43:13 GMT; Max-Age=7200; path=/; httponly",
            "strict-transport-security": "max-age=31536000; includeSubDomains; preload",
            "x-xss-protection": "1; mode=block",
            "x-frame-options": "SAMEORIGIN",
            "referrer-policy": "no-referrer-when-downgrade",
            "x-content-type-options": "nosniff",
            "content-security-policy": "frame-ancestors 'self' *.iza.org;",
            "x-content-security-policy": "frame-ancestors 'self' *.iza.org;",
            "access-control-allow-origin": "*"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.iza.org/",
        "title": "Welcome |\n        \n        IZA@LISER Network",
        "description": "Welcome to the IZA@LISER Network website",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "131.220.86.90": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "esa3.rhrz.uni-bonn.de",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 123.6,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4137.5,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4143.9,
                "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": 81.77
}