{
    "ok": true,
    "domain": "uni-mannheim.de",
    "generated_at": "2026-08-09T14:19:35-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 35,
        "label": "Critical",
        "categories": {
            "dns": 50,
            "mail": 90,
            "security": 0,
            "network": 0,
            "availability": 20
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "0 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": 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": 0,
                "lost_points": 10,
                "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": 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": 0,
                "lost_points": 55,
                "detail": "No valid certificate was retrieved."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35,
                "detail": "0 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": 0,
                "lost_points": 35,
                "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": 0,
                "lost_points": 40,
                "detail": "At least one address family must resolve."
            },
            {
                "category": "availability",
                "title": "HTTP response",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40,
                "detail": "No successful HTTP response."
            },
            {
                "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": "error",
                "title": "IPv4 (A)",
                "detail": "0 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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": "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": "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": "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": "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": "error",
                "title": "Valid TLS certificate",
                "detail": "No valid certificate was retrieved.",
                "category": "security",
                "max_points": 55,
                "earned_points": 0,
                "lost_points": 55
            },
            {
                "level": "error",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "level": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "level": "error",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "error",
                "title": "IPv6 connectivity",
                "detail": "AAAA availability.",
                "category": "network",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "error",
                "title": "DNS resolution",
                "detail": "At least one address family must resolve.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "level": "error",
                "title": "HTTP response",
                "detail": "No successful HTTP response.",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "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": [],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 proxmox-mg1.uni-mannheim.de.",
                "5 proxmox-mg2.uni-mannheim.de.",
                "5 proxmox-mg3.uni-mannheim.de."
            ],
            "TXT": [
                "\"HARICA-1gWgrbWl1EcbzfQbOs5\"",
                "\"v=spf1 mx a:smtp.mail.uni-mannheim.de a:smtp-ng.mail.uni-mannheim.de a:sapmail.bwhsrw.de include:spf.protection.outlook.com -all\"",
                "\"l05J1b8RCmWUIdiEdf8lsFXTgnK+JJyO7ChJhkDa5mRCU29BYHM0x42eEkdfBdlVPKH25Ec970n0MuTUu73e7w==\"",
                "\"google-site-verification=hjNaUkKKXqMgskqCvXiQZ6z3FgiqD_b_3WcMZ9Jnqqc\"",
                "\"docusign=a54ceab8-efac-4862-956d-974be66efdb2\"",
                "\"adobe-idp-site-verification=726793ff3dea185510f9ff9c8cc374adaf6ec9a8fe5bca96496d01f5eec78361\"",
                "\"MS=5C940BB0AE08C25C9B2005790594703D3E6738F2\"",
                "\"apple-domain-verification=TCoQCRktvOKuEsGj\""
            ],
            "NS": [
                "dns3.belwue.de.",
                "dns3.uni-mannheim.de.",
                "dns1.belwue.de.",
                "dns1.uni-mannheim.de.",
                "dns2.uni-mannheim.de."
            ],
            "SOA": [
                "dns.uni-mannheim.de. dnsadmin.mail.uni-mannheim.de. 2026220070 3600 1800 3600000 3600"
            ],
            "CAA": [
                "0 issuewild \"harica.gr\"",
                "0 issue \"harica.gr\"",
                "0 issue \"pki.dfn.de\"",
                "0 issue \"letsencrypt.org\""
            ],
            "DS": [
                "23420 14 2 FE53A7FA29A4FB5808859F1F9D647FC72769514369218EF399BC8D61 354DB79F",
                "19259 14 2 FC01C3B765BF78D6C737CCF7F3E1D44FC5FC22A179E8C6244F629945 25D16450"
            ],
            "DNSKEY": [
                "256 3 14 cmSZVABkAOznmegbI9Wro/LVPCIiMaLdvQiRr5vng65vSxCESv4W+r+v nmb41D09YRZ3pOc57Agg2fwGXp9uZ3iIrRyiUmS/jEtJLyKHMqf6E6fB 9tsrOacc97pQvZec",
                "257 3 14 t60fvw11pSJBv7i5GXdlJ5C0jwuuuUwpmX1zSlDeGxClRKOAzdpXl5t+ 627z5KRO0iTF+aT12JT6mEdofjNit6z0lCVXRNg1rVJjXLHukJa8jQy/ XqCZI/WA/vDHR6o1"
            ],
            "RRSIG": [
                "SOA 14 2 3600 20260907040037 20260808040037 49388 uni-mannheim.de. Gzl7mi1PiN/WWe6qHRCniEX1HAyYbAZpD7ffDloRkWlnMIXJ6OMNLfPL GtGiK5LIgfNgGeSdrYo1iNOTz+Rh49bhdCdwubnQl8v7zFnGWV5w8v8v fpVAfSKehHJCezwY",
                "MX 14 2 3600 20260907040037 20260808040037 49388 uni-mannheim.de. +Yqrd44XEOlC4QzXniP2FFYJXqSWk33WT0bdUW39SXAnbu8hgQ6+9Rn8 9sCSUVRvctkaq8fpKzFNe8dheLP3esoEZPtRthtUxlTTkQTzE6X6eNsB aUZDgXmuPHXnEG+m",
                "DS 8 2 86400 20260817120903 20260803103903 32911 de. KUNhEdUm1RLkjkfycl2ffyAFZW5dh6FsEV4g8+1rLdNZWWpCtiLCzPJ3 58WVvH1mL1OBfmixoPOhOpkw5Et3Q6pH41nIXGnizIba/p/XOvhS927V /r4RYIj4E+589bt16OIes7xphXa7L2kLTrC4g8L9JpmI8hj2dGSfit9/ y7M=",
                "CAA 14 2 3600 20260907040309 20260808040309 49388 uni-mannheim.de. lfq10tYtBxD26omfwsYdDEJz2c5ryAmBRLjmFDazr9geiqjtx69f/uzv hotFBgFPojanDoT2pX3l4c8upNFb/nz4NdzzLUhbOFuywi/VGHI5R+KM i9qx0qIP4QXYe6gz"
            ],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 mx a:smtp.mail.uni-mannheim.de a:smtp-ng.mail.uni-mannheim.de a:sapmail.bwhsrw.de include:spf.protection.outlook.com -all",
        "dmarc": "v=DMARC1; p=none;",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.uni-mannheim.de",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJfJTjXmYO/eViNa4uwaaWI0CGm3blzc63RDeWI/WfW/C2Rxr45puqQp0s4CrY89BwbXG2S0CC2cDmEvEeUFmHuS2VkYAmf87bG7VSS5DJVTgidsAHFBPBitJxNF60Q8cjO2Tp4O1oxjTnSAll/+Pgz2pPKsu4uhXrMNU/AMa8ZQIDAQAB; n=1024,1450953283,1466764483",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [],
                    "time_ms": 161.79
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [],
                    "time_ms": 288.51
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [],
                    "time_ms": 348.09
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [],
                    "time_ms": 154.66
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [],
                    "time_ms": 356.41
                }
            ]
        }
    },
    "ssl": {
        "available": false,
        "issuer": "",
        "subject": "",
        "valid_from": "",
        "valid_to": "",
        "days_remaining": null,
        "san": [],
        "protocol": "",
        "cipher": "",
        "error": "php_network_getaddresses: getaddrinfo failed: No address associated with hostname"
    },
    "http": {
        "url": "https://uni-mannheim.de/",
        "status": "",
        "http_version": "0",
        "headers": [],
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": false,
            "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": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://uni-mannheim.de/",
        "title": "",
        "description": "",
        "success": false,
        "error": "Could not resolve host: uni-mannheim.de"
    },
    "network": [],
    "smtp": {
        "host": "proxmox-mg1.uni-mannheim.de",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 115.7,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4132.3,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4008.2,
                "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": 101.42
}