{
    "ok": true,
    "domain": "cardiff.ac.uk",
    "generated_at": "2026-08-09T06:04:04-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 77,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 96,
            "network": 50,
            "availability": 60
        },
        "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": "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": "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": 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": "81 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": 31,
                "lost_points": 4,
                "detail": "8 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: 93.41.245.43.in-addr.arpa"
            },
            {
                "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": 0,
                "lost_points": 40,
                "detail": "HTTP/2 403 "
            },
            {
                "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": "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": "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": "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": "81 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": "8 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 31,
                "lost_points": 4
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: 93.41.245.43.in-addr.arpa",
                "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": "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": "error",
                "title": "HTTP response",
                "detail": "HTTP/2 403 ",
                "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": [
                "43.245.41.93"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 cardiff-ac-uk.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"access-domain-verification=ff89d2acca2a21ba134c6aa1fc7355cfbf55cf5333b816344457bbd449527601\"",
                "\"miro-verification=44e9ba1b8cc5ac919294d1c66dd64f49dd9c6518\"",
                "\"atlassian-domain-verification=JwFo985Fwacc64ycQuyJNewXM/BdYVD0/OqMLTjYgMgtOdxhhX1IHrVgJ6bXplki\"",
                "\"jamf-site-verification=fiJ21dyTPxbz2kuan-koug\"",
                "\"3aa27263-a39c-4b83-96ec-ac4a13a2c063_181018\"",
                "\"mentimeter-7a8c27b2-9695-44ab-9a3f-f1e8850c4c67\"",
                "\"v=spf1 include:spf.protection.outlook.com exists:%{ir}.%{v}.arpa.spf.cardiff.ac.uk -all\"",
                "\"Sendinblue-code:83c2a808a21295ed99f9ff729927bdfc\"",
                "\"apple-domain-verification=NbEwtmT6hcPnGnVO\"",
                "\"QuoVadis=521a2895-5f43-41b0-b8f6-adfd952d0d5f\"",
                "\"status-page-domain-verification=hrzwwly13154\"",
                "\"brevo-code:b1414e0a234265a2faa294058248ae06\"",
                "\"adobe-idp-site-verification=c4a9be911363d9cdaebfcc10a4bb4eb3e9a8c90aea795fdceed421ae500ef9c1\"",
                "\"ZOOM_verify_fk2IZ3SKRBmGp5m6sHVqfg\"",
                "\"MS=ms27684705\"",
                "\"google-site-verification=y55qRmPnOfOEjDn1ect33N7RjDojRIBlPr4lwOChpaI\"",
                "\"apple-domain-verification=gK5DniqbL9kS4pU0\""
            ],
            "NS": [
                "mnetidns02.cf.ac.uk.",
                "mnetidns01.cf.ac.uk.",
                "ns3.ja.net."
            ],
            "SOA": [
                "mnetidns01.cf.ac.uk. hostmaster.cardiff.ac.uk. 189842 10800 3600 2419200 900"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "43.245.41.93"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:spf.protection.outlook.com exists:%{ir}.%{v}.arpa.spf.cardiff.ac.uk -all",
        "dmarc": "v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;",
        "dkim_selector": "selector2",
        "dkim_host": "selector2._domainkey.cardiff.ac.uk",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt1OTyB72cI/5+OumweijMlfkRa6n966ARLAX6bpOhDH81HHTRbUgfsFDSngY1D3PHCu/BJlgWRLSOMgm+dhjnlehOLPKB/hyMjeAO10YjtlR7W8phfxkhG76kFEOIO9nJMqordmMbXfz/wQo+2xezbYvnZr0mOrm9toc84rziWtZPP0MaEGfuJooprZpvmDl4Y2tmH5ridCzjDISD8P+8OKqtzijNdTmzByvL8p+WO3AjdLGuoFAOlI5hvrFaNeO20oOLQU3iJL64pde0To58zrI+g9/Ue0Mu2uZZyx2Iw3keJ8alr+dQKG0e9gu2SIK3XdShYc7y2EM0/EFh+wdZQIDAQAB;",
        "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": "93.41.245.43.in-addr.arpa",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "43.245.41.93"
                    ],
                    "time_ms": 139.12
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "43.245.41.93"
                    ],
                    "time_ms": 225.19
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "43.245.41.93"
                    ],
                    "time_ms": 277.2
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "43.245.41.93"
                    ],
                    "time_ms": 320.45
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "43.245.41.93"
                    ],
                    "time_ms": 292.09
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "cardiff.ac.uk",
        "valid_from": "2026-07-31T19:45:09-05:00",
        "valid_to": "2026-10-29T19:45:08-05:00",
        "days_remaining": 81,
        "san": [
            "cardiff.ac.uk"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.cardiff.ac.uk/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "date": "Sun, 09 Aug 2026 11:03:56 GMT",
            "content-type": "text/html; charset=UTF-8",
            "location": "https://www.cardiff.ac.uk/",
            "x-content-type-options": "nosniff",
            "server": "cloudflare",
            "cf-ray": "a28646f22ab1d8d3-STL",
            "alt-svc": "h3=\":443\"; ma=86400",
            "content-length": "5365",
            "accept-ch": "Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA",
            "cf-mitigated": "challenge",
            "content-security-policy": "default-src 'none'; script-src 'nonce-X38TqBHxDoELTqUseI1GdM' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'",
            "critical-ch": "Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA",
            "cross-origin-embedder-policy": "require-corp",
            "cross-origin-opener-policy": "same-origin",
            "cross-origin-resource-policy": "same-origin",
            "origin-agent-cluster": "?1",
            "permissions-policy": "accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*",
            "referrer-policy": "same-origin",
            "server-timing": "chlray;desc=\"a28646f22ab1d8d3\"",
            "x-frame-options": "SAMEORIGIN",
            "set-cookie": "__cf_bm=MCYZJIa00.2zociSq_agk5ANABBiOxN9h0Rpels7nLg-1786273436.5014708-1.0.1.1-OSgDX3IVVQ9Exf2p6iYjJ9kAxQvJ1eolubJ4FzuBLFzCxdo7jymcEpRkpseLylV7vXpRTLzHKHBdSBMFeRr3QvRieGE77_zarmKKZavnMbYL_yrUli3Z6dfsK.QD7N4Z; HttpOnly; SameSite=None; Secure; Path=/; Domain=www.cardiff.ac.uk; Expires=Sun, 09 Aug 2026 11:33:56 GMT"
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": true,
            "cross-origin-opener-policy": true,
            "cross-origin-embedder-policy": true,
            "cross-origin-resource-policy": true
        },
        "server": "cloudflare",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.cardiff.ac.uk/",
        "title": "Just a moment...",
        "description": "",
        "success": true,
        "error": "",
        "status": 403
    },
    "network": {
        "43.245.41.93": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "cardiff-ac-uk.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 22.3,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4043.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4039.9,
                "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": 101.15
}