{
    "ok": true,
    "domain": "london.gov.uk",
    "generated_at": "2026-08-09T06:02:28-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 86,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 95,
            "security": 77,
            "network": 70,
            "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": "2 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "2 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 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": 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": "6 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": 5,
                "lost_points": 0,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "71 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": 12,
                "lost_points": 23,
                "detail": "3 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": 35,
                "lost_points": 0,
                "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": "2 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "2 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "2 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": "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": "6 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": "ok",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "71 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": "3 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 12,
                "lost_points": 23
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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": "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": [
                "104.20.19.196",
                "172.66.155.247"
            ],
            "AAAA": [
                "2606:4700:10::ac42:9bf7",
                "2606:4700:10::6814:13c4"
            ],
            "CNAME": [],
            "MX": [
                "5 cluster-g.mailcontrol.com.",
                "5 cluster-j.mailcontrol.com.",
                "5 cluster-b.mailcontrol.com.",
                "5 cluster-h.mailcontrol.com.",
                "5 cluster-d.mailcontrol.com.",
                "5 cluster-e.mailcontrol.com."
            ],
            "TXT": [
                "\"MS=ms31167909\"",
                "\"google-site-verification=ioiV45meDx7oVYVbvvwdSnrjYUqAg6v9EaMbH3x6St4\"",
                "\"MS=ms79495409\"",
                "\"4BAB-D8B1-D951-3241-2EEE-F31E-8D17-1BA1\"",
                "\"zscaler-verification-220838-28072025-rpIs9t\"",
                "\"google-site-verification=Up0XSmN9NwuUFZWzIOaIE5LD0d1rOUj-RhOlbcBys9w\"",
                "\"google-site-verification=Ebkd0FsM0wH_GfT8jT-rBKZwpzBzBnCr4VbtCooo2J4\"",
                "\"globalsign-domain-verification=wfC4R7Upgl4grwGW0Teh8n8LsMHhzcQBivfEABKtT1\"",
                "\"v=spf1 mx ip4:52.151.82.189 ip4:80.79.211.156 ip4:80.6.91.150 ip4:141.193.32.7 include:mailcontrol.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.odmad.quest-on-demand.com ip4:194.39.164.57/32 -all\"",
                "\"asv=9891c4573d82b1ca1270811860bfead7\"",
                "\"google-site-verification=J2pj2wl0O6FmLmH52qC5wdhvQmIqda4sm1BjkY0nNy4\"",
                "\"ycWv7EKgimdH45o9988Hdol9a7JMDUMQjQTOq+ko6NcIXdsCnh5A66ZUToFcRgGpccOUv277xTlhxM739ZoABw==\"",
                "\"adobe-idp-site-verification=c8959acf-6965-452d-bdcd-9dd871440300\"",
                "\"apple-domain-verification=LCQb0GGcsH3jcBbz\"",
                "\"docusign=b670ce93-dd00-436d-aec9-91ec92780699\"",
                "\"google-site-verification=FHOADut5uoSk-NUKSgmMt7SHtK8lT4iMEQB_Yjnk0V8\""
            ],
            "NS": [
                "amit.ns.cloudflare.com.",
                "cruz.ns.cloudflare.com."
            ],
            "SOA": [
                "amit.ns.cloudflare.com. dns.cloudflare.com. 2411685388 10000 2400 604800 1800"
            ],
            "CAA": [
                "0 issuewild \"letsencrypt.org\"",
                "0 issuewild \"digicert.com; cansignhttpexchanges=yes\"",
                "0 issue \"amazontrust.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issue \"awstrust.com\"",
                "0 issue \"ssl.com\"",
                "0 issuewild \"ssl.com\"",
                "0 issue \"entrust.net\"",
                "0 issue \"amazon.com\"",
                "0 issue \"comodoca.com\"",
                "0 issue \"digicert.com; cansignhttpexchanges=yes\"",
                "0 issue \"globalsign.com\"",
                "0 issuewild \"comodoca.com\"",
                "0 issuewild \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issue \"pki.goog; cansignhttpexchanges=yes\"",
                "0 issue \"amazonaws.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "104.20.19.196",
            "172.66.155.247"
        ],
        "ipv6": [
            "2606:4700:10::ac42:9bf7",
            "2606:4700:10::6814:13c4"
        ]
    },
    "mail": {
        "spf": "v=spf1 mx ip4:52.151.82.189 ip4:80.79.211.156 ip4:80.6.91.150 ip4:141.193.32.7 include:mailcontrol.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf.odmad.quest-on-demand.com ip4:194.39.164.57/32 -all",
        "dmarc": "v=DMARC1;p=quarantine;rua=mailto:dmarc-rua@dmarc.service.gov.uk;pct=0",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.london.gov.uk",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD249wo/bICTeFo+nMRI++N+ttnuBYWoplOBuhrIlDsGW7vaQ1uHCoZ0gbqtRscxZcVMYeFX1ibRZ2xkGFCcmvUpwr9P7EQGeVoeq7DJt+EaxJ84mpMEYtiisH0PkMmENvl6+qsOCZwWdJCy0YVD7abYk6ALQH4HB8JQtT8K6J38wIDAQAB; n=1024,1449912359,1",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": "v=TLSRPTv1;rua=mailto:tls-rua@mailcheck.service.ncsc.gov.uk"
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "104.20.19.196",
                        "172.66.155.247"
                    ],
                    "time_ms": 54.49
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "104.20.19.196",
                        "172.66.155.247"
                    ],
                    "time_ms": 56.65
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "104.20.19.196",
                        "172.66.155.247"
                    ],
                    "time_ms": 26.53
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "104.20.19.196",
                        "172.66.155.247"
                    ],
                    "time_ms": 48.68
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "104.20.19.196",
                        "172.66.155.247"
                    ],
                    "time_ms": 56.28
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Google Trust Services",
        "subject": "london.gov.uk",
        "valid_from": "2026-07-21T20:52:22-05:00",
        "valid_to": "2026-10-19T21:52:09-05:00",
        "days_remaining": 71,
        "san": [
            "london.gov.uk",
            "*.london.gov.uk"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.london.gov.uk/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "date": "Sun, 09 Aug 2026 11:02:18 GMT",
            "content-type": "text/html; charset=UTF-8",
            "location": "https://www.london.gov.uk/",
            "server": "cloudflare",
            "cf-ray": "a286448f2ad6c77f-ORD",
            "cache-control": "max-age=43200, public",
            "x-drupal-dynamic-cache": "HIT",
            "content-language": "en",
            "x-content-type-options": "nosniff",
            "x-frame-options": "SAMEORIGIN",
            "expires": "Sun, 19 Nov 1978 05:00:00 GMT",
            "x-consumer-id": "3f2f7491-42d4-47ca-b30f-731b83e98435",
            "vary": "Cookie, X-Consumer-ID, Accept-Encoding",
            "x-varnish": "282165839 280647510",
            "age": "524",
            "via": "1.1 varnish (Varnish/7.0)",
            "purge-cache-tags": "HIT",
            "content-security-policy": "frame-ancestors *.london.gov.uk",
            "cf-cache-status": "DYNAMIC"
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "cloudflare",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.london.gov.uk/",
        "title": "Home page - London City Hall",
        "description": "Official website of Mayor of London, Sadiq Khan, and the 25 London Assembly Members. Policy, news, jobs, contacts.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "104.20.19.196": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "172.66.155.247": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "cluster-g.mailcontrol.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 41.6,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4059.4,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4056.9,
                "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": 86.19
}