{
    "ok": true,
    "domain": "ic.ac.uk",
    "generated_at": "2026-08-09T06:25:47-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 58,
        "label": "Fair",
        "categories": {
            "dns": 85,
            "mail": 90,
            "security": 0,
            "network": 65,
            "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": "7 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": "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": 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": 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": 30,
                "lost_points": 0,
                "detail": "PTR: icads50.ic.ac.uk"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "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": "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": "ok",
                "title": "IPv4 (A)",
                "detail": "7 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": "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": "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": "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": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: icads50.ic.ac.uk",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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": "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": [
                "155.198.30.55",
                "155.198.63.21",
                "155.198.30.98",
                "155.198.30.71",
                "146.179.32.37",
                "146.179.32.12",
                "146.179.33.19"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "0 ic-ac-uk.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"_n4u2r1q92sbrfhi4yw2pt2xhyyzz39i\"",
                "\"box-domain-verification=d9a6de600ab54606d1a29e06b6f0c15175f40edec34a789899bdf76033229bfd\"",
                "\"2fa15ee8-2285-4496-bbfd-190dda3d1b98.100718\"",
                "\"8EPXmL39AtuM4AzorZWkeT34xcLvQhnXdl1bWFIZZfmArx3YinDdA1MnJRWq+m+rtJwgxwbrJUidKpwiJB3CvQ==\"",
                "\"QuoVadis=2c177ef2-3f9b-4e3a-a5bc-9138f95d4089\"",
                "\"access-domain-verification=6a44df5d26c585e4eb589c3037362087e7eb4f27d1f760df73ed6118a7d13cb3\"",
                "\"pbVVNAqLdNQQqtA1/1Ebp6JyY/P4TTRz2GTxVvg3zeZGBEb4PDvkT11a81xc++ZWZAI6j+2MWRakQxkkXOQzSA==\"",
                "\"v=spf1 include:_spf.imperial.ac.uk ~all\"",
                "\"atlassian-domain-verification=ATxzg4VKmcvcwvue9AxKCTcnkkld5VpodrJb73U8t5DkZQN8b8saysxyKv5uQI/4\""
            ],
            "NS": [
                "ns2.ic.ac.uk.",
                "ns0.ic.ac.uk.",
                "auth0.dns.cam.ac.uk.",
                "ns1.ic.ac.uk."
            ],
            "SOA": [
                "ns0.ic.ac.uk. hostmaster.ic.ac.uk. 2013361052 2700 1800 3600000 3600"
            ],
            "CAA": [],
            "DS": [
                "7069 13 2 0DA7770D4C0A5DCA1562E2A0BFC64BA34C0683A99C453246294EEF3C 0F90469E"
            ],
            "DNSKEY": [
                "256 3 13 Gl/hGS/gXXOVn6w3L1B8A/LH/wg2/hFRtID6OsUhjNgsETSKZVBB95xl Hj3RtrFq4FNVpYd2/o7yq7AXOPzYFg==",
                "257 3 13 X27ePkKwUFUOperVH0m7yclZ9Wos4jPskJs6A4Y2W3ziZaRgMv+cYtoY 4Z9dLU1DEWld+DJY1yyoBM/uwhY3Jw=="
            ],
            "RRSIG": [
                "TXT 13 3 600 20260819132357 20260720131028 27223 ic.ac.uk. /McUUkZ3+EKRRRpmeQ+pF29snTObss7E+ygaknAjjnm9M/vuno1FV+va VfAHA22/QxWJdvqNKBQLFcOWK3+KIQ==",
                "A 13 3 86400 20260901170701 20260802162556 27223 ic.ac.uk. s3jTd/p6phpUh4xSogIIgEd1m+F1pxQ7J7Wbe9ByTpPglUy5UPA7XYfu eOKUWE4w86STxEVz8SIa7oFwyFnLOw==",
                "MX 13 3 3600 20260822132419 20260723125741 27223 ic.ac.uk. GJnDZj8bdMskISCw8UDKJrlBcz0xqZBUGd3MTUVZN5uhtlT7ISlSLf3R p3sIfvGMJ7MZhOXK/0f+TayyuWS3LQ==",
                "DS 8 3 3600 20260818144439 20260719131439 7336 ac.uk. Zg7EXiE+rzpg+c3L1v9xOImcLNGaK5tNYqj4KBOoP9NzFuoUleKEL776 D7XRtgwSdnhPHdNKEb3fsKSpkQ7aQHTyehPzTOI4vBERaVRfmZtt8NAF rhQCD5BMU7T2Ake/l/RcOudrxfLEbviN7M95ij+0AfipRAL9sk150Ahs BQw=",
                "NS 13 3 86400 20260827080558 20260728075350 27223 ic.ac.uk. SBeJ5pEetqqEpK0wx5jXEfxtxARXLwRhGeXjln3MH4U7GeG8AN+VDRlc H1tVEBW4awcWyMF7rGipvOVz9aBq3A=="
            ],
            "NSEC": [
                "06d7aab3-081f-476b-89b0-ff8c0741ec9f.ic.ac.uk. A NS SOA MX TXT NAPTR RRSIG NSEC DNSKEY"
            ],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [
                "100 10 \"s\" \"x-eduroam:radius.tls\" \"\" _radsec._tcp.roaming.ja.net."
            ],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "155.198.30.55",
            "155.198.63.21",
            "155.198.30.98",
            "155.198.30.71",
            "146.179.32.37",
            "146.179.32.12",
            "146.179.33.19"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:_spf.imperial.ac.uk ~all",
        "dmarc": "v=DMARC1; p=none; sp=none; rua=mailto:dmarc-reports@ic.ac.uk,mailto:dmarc_agg@vali.email",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.ic.ac.uk",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDHlT5j+fuftgVAORP/x9BDM4oXhq+RrrDCnfxfao0RW4uuoK5jjLjw1p18xntyHLRYVEj5Yf5VTKkv1nBoCaK1M/3sb+ARErF4hnC06JgPUZ0Ef6HQybefFBpYV7BNvoozvAzOQP02gajQu72TWDpllI0SSWw673PKNr9vzlkF+QIDAQAB; n=1024,1455306562,1",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "icads50.ic.ac.uk",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "146.179.32.12",
                        "146.179.32.37",
                        "146.179.33.19",
                        "155.198.30.55",
                        "155.198.30.71",
                        "155.198.30.98",
                        "155.198.63.21"
                    ],
                    "time_ms": 234.14
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "146.179.32.12",
                        "146.179.32.37",
                        "146.179.33.19",
                        "155.198.30.55",
                        "155.198.30.71",
                        "155.198.30.98",
                        "155.198.63.21"
                    ],
                    "time_ms": 125.95
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "146.179.32.12",
                        "146.179.32.37",
                        "146.179.33.19",
                        "155.198.30.55",
                        "155.198.30.71",
                        "155.198.30.98",
                        "155.198.63.21"
                    ],
                    "time_ms": 154.03
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "146.179.32.12",
                        "146.179.32.37",
                        "146.179.33.19",
                        "155.198.30.55",
                        "155.198.30.71",
                        "155.198.30.98",
                        "155.198.63.21"
                    ],
                    "time_ms": 305.51
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "146.179.32.12",
                        "146.179.32.37",
                        "146.179.33.19",
                        "155.198.30.55",
                        "155.198.30.71",
                        "155.198.30.98",
                        "155.198.63.21"
                    ],
                    "time_ms": 144.52
                }
            ]
        }
    },
    "ssl": {
        "available": false,
        "issuer": "",
        "subject": "",
        "valid_from": "",
        "valid_to": "",
        "days_remaining": null,
        "san": [],
        "protocol": "",
        "cipher": "",
        "error": "Connection timed out"
    },
    "http": {
        "url": "https://ic.ac.uk/",
        "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://ic.ac.uk/",
        "title": "",
        "description": "",
        "success": false,
        "error": "Failed to connect to ic.ac.uk port 443 after 4962 ms: Connection timed out"
    },
    "network": {
        "155.198.30.55": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "155.198.63.21": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "155.198.30.98": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "155.198.30.71": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "ic-ac-uk.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 22.6,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4032.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4010.5,
                "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": 127.75
}