{
    "ok": true,
    "domain": "rwth-aachen.de",
    "generated_at": "2026-08-08T21:25:20-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 89,
        "label": "Good",
        "categories": {
            "dns": 100,
            "mail": 70,
            "security": 84,
            "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": "4 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": "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": 0,
                "lost_points": 20,
                "detail": "No tested DKIM selector responded."
            },
            {
                "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": 19,
                "lost_points": 16,
                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: rwth-aachen.de"
            },
            {
                "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": "4 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": "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": "error",
                "title": "DKIM",
                "detail": "No tested DKIM selector responded.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 0,
                "lost_points": 20
            },
            {
                "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": "5 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: rwth-aachen.de",
                "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": [
                "137.226.107.60"
            ],
            "AAAA": [
                "2a00:8a60:450::107:60"
            ],
            "CNAME": [],
            "MX": [
                "10 mx1.rz.rwth-aachen.de."
            ],
            "TXT": [
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                "\"v=spf1 include:_spf.itc.rwth-aachen.de -all\"",
                "\"google-gws-recovery-domain-verification=68268798\"",
                "\"HARICA-OxzFjAQFBC6Ca32ivZA\"",
                "\"adobe-idp-site-verification=f776e93b43310d11ffce240aee50080562eb76f499439e8f27f906a7c6ab70f7\""
            ],
            "NS": [
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                "zs2.rz.rwth-aachen.de.",
                "dns-2.dfn.de.",
                "dns-1.dfn.de."
            ],
            "SOA": [
                "zs1.rz.rwth-aachen.de. hostmaster.rwth-aachen.de. 2026080701 10800 3600 3600000 600"
            ],
            "CAA": [
                "0 issuewild \";\"",
                "0 issue \"harica.gr\"",
                "0 iodef \"mailto:ca@rwth-aachen.de\"",
                "0 issuemail \"harica.gr\""
            ],
            "DS": [
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                "62085 14 2 7E10317933E6EE898EA78AD3009C26650296F642757D6B4F3C3E1FA9 A14B67A8",
                "32691 14 2 C84DA7FE18755644C07CB1C3E8EDE98E7CD63B5322F03F465D163FBD E2E3C84D",
                "11050 14 2 458ACC6666D7FB9B8BA9664665B16914AAA16E79DFB97295CF7909EA E057E0DF",
                "50088 14 2 54FE9B807A2320BA4C4096F1459D49FB43F293738E7A1176D35EED0F D0ECF826"
            ],
            "DNSKEY": [
                "257 3 14 oRvirV4KvRXVLPFdm44qqc5PdqJOYz/PtkNs14mhquXRgqA6GuixFEEa 5NulrVBW2EYk+dPgsL/OpyrNy3suBkJyGWMyyZoqDwVocGIYrfzZM8+w SbebW5m+18/nOx0Q",
                "257 3 14 +m+4zpeeEJSy44oqlrmWdQoyG/djixiC/0Y+0vHlidc9eRclRH+E7TD5 ibzh8OQOTTGm9tXoTj5JMp6yCxghkTHzj3kqVoWX0SFFWTlp4ZViCp77 CPuQ9lrm80Qh/VMo",
                "256 3 14 3JrH3uQGq5DEkk9urcGxkc1qdixxXMKL8AmetvwCasD0Np08svQbYalp 6YviXXGZa5ceCoqqa7FgCnOpoaQ7jLfduxeYynO3DWxHqHCxUe6LcF10 V4poMczdg4bKp5bu",
                "257 3 14 FaChCrEM0I5uVsvv/tgrhthnsr2EVhZpRCLPJQ8GlOBtqnB7fvdusPze hmRFOOJ3S7ofqm19GNAlSbA0KOmf5fAYAhPd3yN5q/OZnP6sq7rIV1TU r12rWoXPzlUNzT2R",
                "257 3 14 3YGUeYbHJeJKQG6jHfih6AN65eDWupRUpqVpSmACwLVAWht9H9rYL0XM qlg0/fc9h3BQJlMemIh3h9xu09I+fwroU/qEopP0QDv3bB4bvTHaarXM y6Ut/Nf28xuMUJ2q",
                "257 3 14 0yCvPrOy2Cv3wixF4kUnAtPkLDo55zFrE/Gs56M924BkNFuqK8kUiJNV yhBNkbRersXOBE82lBI035r7nrZabMyPw0tfQEPYbcObVeo6hLqewY39 M0P0LxQ7A+lzTC1H"
            ],
            "RRSIG": [
                "A 14 2 86400 20260906153005 20260807153005 33238 rwth-aachen.de. QIya+at/sfbp3SmAWAaOZdsgNjZHqYS089oWPsqYKLrxFzx/E1RSXWkZ EnU6/Mj2506g5a9vW95MPwdhSz83cNcrRNXT7lv29GCYDsYIYk6/EdZh TsyqoRTHy5M6YEJ3",
                "DS 8 2 86400 20260817120903 20260803103903 32911 de. ntfK3uOMrnMPwSK/3kZdBsf2HB3YvGhTEuhncC/FmeaijfoapKfeBxU3 d6snotkEaXIviW2M+TjUlPcd2UWSagHgkLg54P3SBIZhmVAx51AjH0ma EdBztUHwxAOcFMVqt86SApeBIIc61UCQDtTJEyfVSn/F/Sn89qP+j5hq TqU=",
                "NS 14 2 86400 20260906153005 20260807153005 33238 rwth-aachen.de. wO9+ShIdikUFmJezYOe6F3xGSb/6D1QklqKEn3IvkyBaPNJsxuAA5Q2F yvkczKyemed4DLsvZdkP9IfortLcAi8EAqS3lJe5UFA06bFMvMeGi96R L3MJYqryTryemYS9",
                "MX 14 2 86400 20260906153005 20260807153005 33238 rwth-aachen.de. hA2NYcx2wkXlC36vspQPKiHgpjbuVQT92FBgSXOGRcVN+dqeLZ+GCkc4 IxSlKgODeujgioiiOcO5zjW7sYtcMvRT754CxXQmrkYDo4NpbVnHdT9C AQf4eLQT41OfJ2CM",
                "CAA 14 2 86400 20260906153005 20260807153005 33238 rwth-aachen.de. VAMEZCrJO1V64PxQQir8UpzQQDRK+lXVqVIyFbv/vz9W21H2xDccPnoa TdT7wJfbbth/DgUMeQFRHJvXvj/m2me7/xsPP068nxRo23MdcDuOYnJE kFUJfwUcWxHZXLg2"
            ],
            "NSEC": [
                "3dsr.rwth-aachen.de. A NS SOA MX TXT AAAA NAPTR RRSIG NSEC DNSKEY CAA"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [
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                "10 100 \"s\" \"SIPS+D2T\" \"\" _sips._tcp.rwth-aachen.de.",
                "12 100 \"s\" \"SIP+D2T\" \"\" _sip._tcp.rwth-aachen.de.",
                "100 10 \"s\" \"x-eduroam:radius.tls\" \"\" _radsec._tcp.eduroam.de."
            ],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "137.226.107.60"
        ],
        "ipv6": [
            "2a00:8a60:450::107:60"
        ]
    },
    "mail": {
        "spf": "v=spf1 include:_spf.itc.rwth-aachen.de -all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:dmarc-report@rwth-aachen.de; ruf=mailto:dmarc-report@rwth-aachen.de;",
        "dkim_selector": "x",
        "dkim_host": "",
        "dkim": "",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "rwth-aachen.de",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "137.226.107.60"
                    ],
                    "time_ms": 36.8
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "137.226.107.60"
                    ],
                    "time_ms": 172.32
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "137.226.107.60"
                    ],
                    "time_ms": 44.29
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "137.226.107.60"
                    ],
                    "time_ms": 174.37
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "137.226.107.60"
                    ],
                    "time_ms": 987.76
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Hellenic Academic and Research Institutions CA",
        "subject": "www.rwth-aachen.de",
        "valid_from": "2025-10-08T22:50:57-05:00",
        "valid_to": "2026-10-08T22:50:57-05:00",
        "days_remaining": 61,
        "san": [
            "www.rwth-aachen.de",
            "rwth-aachen.de"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
    },
    "http": {
        "url": "https://www.rwth-aachen.de/cms/~a/root/?lidx=1",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "cache-control": "private",
            "content-length": "97855",
            "content-type": "text/html; Charset=utf-8",
            "location": "https://www.rwth-aachen.de/cms/~a/root/?lidx=1",
            "set-cookie": "awcssessionid=XSr5vtBv8Bb%2f1O9MFKD%2f%2f81UfIDwCM9LGCkMBjvV6qvzJ7lcXweOB%2fqCoH5LdwCDshvor9pM0IODSzRyik5USQ%3d%3d; path=/; Secure; HttpOnly",
            "x-frame-options": "DENY",
            "content-security-policy": "frame-ancestors 'self'",
            "x-xss-protection": "1; mode=block",
            "strict-transport-security": "max-age=15768000",
            "permissions-policy": "camera=(), microphone=()",
            "referrer-policy": "origin-when-cross-origin",
            "date": "Sun, 09 Aug 2026 02:25:17 GMT"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": false,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": true,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.rwth-aachen.de/cms/~a/root/?lidx=1",
        "title": "RWTH Aachen University | Rheinisch-Westfälische Technische Hochschule | EN",
        "description": "Die RWTH Aachen ist ein Ort, an dem die Zukunft unserer industrialisierten Welt gedacht wird - Thinking the Future",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "137.226.107.60": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "mx1.rz.rwth-aachen.de",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 115.1,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 127.6,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 119.9,
                "banner": "",
                "error": "Connection refused"
            }
        ]
    },
    "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": 131.53
}