{
    "ok": true,
    "domain": "uni-konstanz.de",
    "generated_at": "2026-08-09T11:24:00-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 85,
        "label": "Good",
        "categories": {
            "dns": 80,
            "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": "3 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": "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": "181 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: cps.uni-konstanz.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": "3 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": "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": "181 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: cps.uni-konstanz.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": [
                "134.34.247.9"
            ],
            "AAAA": [
                "2001:7c0:2880:2001::2009"
            ],
            "CNAME": [],
            "MX": [
                "20 adenin2.uni-konstanz.de.",
                "20 thymin2.uni-konstanz.de."
            ],
            "TXT": [
                "\"brevo-code:709e7fe481286b7cf280d31ee838a75b\"",
                "\"v=spf1 ip4:134.34.240.32/27 ip4:91.198.250.0/24 include:_spf.tivian.com include:_spf.zimpel.de ~all\"",
                "\"MS=ms72256970\"",
                "\"cisco-ci-domain-verification=6da3fd39006d05bd2e40d4945b5b7e9cde0302042a2b2253cd5986311736e4cc\"",
                "\"MS=2FBDB7375211B0E811786C14A5CE6627FC587161\"",
                "\"MS=ms17599286\"",
                "\"_telesec-domain-validation=341964_2025-10-23_XhRC6QCqLOR3FIVs2cuqYP9otlsuccHUs64Lhs1fWx3yjdeiKQ\"",
                "\"_telesec-domain-validation=2023-11-02_6AdcAFxWOJkgsnTla1pLjN0iUrEvKvxC3Psrt5OTdMHQaDgHpA\"",
                "\"google-site-verification=x7016U-M-j0bftCLHQ9y4r9jaGWldlk3UPU8RWcAam4\""
            ],
            "NS": [
                "ns4.uni-konstanz.de.",
                "ns3.uni-konstanz.de.",
                "dns3.uni-konstanz.de."
            ],
            "SOA": [
                "ns3.uni-konstanz.de. hostmaster.uni-konstanz.de. 803036640 3600 900 1209600 3600"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [
                "100 10 \"s\" \"x-eduroam:radius.tls\" \"\" _radsec._tcp.eduroam.de."
            ],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "134.34.247.9"
        ],
        "ipv6": [
            "2001:7c0:2880:2001::2009"
        ]
    },
    "mail": {
        "spf": "v=spf1 ip4:134.34.240.32/27 ip4:91.198.250.0/24 include:_spf.tivian.com include:_spf.zimpel.de ~all",
        "dmarc": "v=DMARC1; p=none; sp=none; rua=mailto:spam.feedback@uni-konstanz.de; fo=0:d",
        "dkim_selector": "mail",
        "dkim_host": "mail._domainkey.uni-konstanz.de",
        "dkim": "k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z+FApQ6ra2VsXfbJP3HE6wAO0YTVEJt1TmeczhEd2Jiz/fcabIISgXEdSpTYJhb0ct0VJRxcg4c8c7wIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "cps.uni-konstanz.de",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "134.34.247.9"
                    ],
                    "time_ms": 42.44
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "134.34.247.9"
                    ],
                    "time_ms": 301.23
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "134.34.247.9"
                    ],
                    "time_ms": 145.08
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "134.34.247.9"
                    ],
                    "time_ms": 863.04
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "134.34.247.9"
                    ],
                    "time_ms": 344.59
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Hellenic Academic and Research Institutions CA",
        "subject": "*.phy.uni.kn",
        "valid_from": "2026-07-22T23:29:17-05:00",
        "valid_to": "2027-02-06T22:29:16-06:00",
        "days_remaining": 181,
        "san": [
            "*.phy.uni.kn",
            "uni-konstanz.de",
            "creative.together.uni.kn",
            "www.uni-konstanz.de",
            "phy.uni-konstanz.de",
            "me.uni-konstanz.de",
            "math.uni-konstanz.de",
            "www.kim.uni.kn",
            "*.uni.kn",
            "uni.kn"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.uni-konstanz.de/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "location": "https://www.uni-konstanz.de/",
            "content-type": "text/html; charset=utf-8",
            "date": "Sun, 09 Aug 2026 16:23:55 GMT",
            "server": "Apache",
            "cache-control": "max-age=1041",
            "content-language": "de-DE",
            "content-security-policy": "default-src 'self' www.wiese.uni-konstanz.de www.uni-konstanz.de cms.uni-konstanz.de uni-konstanz.de www.youtube-nocookie.com player.vimeo.com www.biologie.uni-konstanz.de; frame-ancestors 'self' *.uni-konstanz.de;  font-src 'self' www.uni-konstanz.de uni-konstanz.de www.biologie.uni-konstanz.de; img-src 'self' www.uni-konstanz.de piwik.uni-konstanz.de www.wiese.uni-konstanz.de lsf.uni-konstanz.de www.controllingdaten.uni.kn www.biologie.uni-konstanz.de data:; media-src *; script-src 'self' 'unsafe-inline' 'unsafe-eval' blob: cdn.mathjax.org www.google.com www.controllingdaten.uni.kn www.uni-konstanz.de uni-konstanz.de www.biologie.uni-konstanz.de piwik.uni-konstanz.de; connect-src 'self' piwik.uni-konstanz.de; style-src 'self' 'unsafe-inline' www.google.com www.controllingdaten.uni.kn www.uni-konstanz.de uni-konstanz.de www.biologie.uni-konstanz.de;",
            "expires": "Sun, 09 Aug 2026 16:41:16 GMT",
            "pragma": "public",
            "vary": "X-Forwarded-Proto,X-Forwarded-Port,Origin",
            "x-content-type-options": "nosniff",
            "x-ua-compatible": "IE=edge"
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": true,
            "x-content-type-options": true,
            "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": "Apache",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.uni-konstanz.de/",
        "title": "Universität Konstanz",
        "description": "Exzellenzuniversität am Bodensee · Spitzenforschung · Kultur der Kreativität · Lehre aus Forschung · innovative Ideen · lebendiger Campus",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "134.34.247.9": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "adenin2.uni-konstanz.de",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 1,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 119.6,
                "banner": "",
                "error": "No connection"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 240.5,
                "banner": "",
                "error": "Network is unreachable"
            }
        ]
    },
    "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": 107.14
}