{
    "ok": true,
    "domain": "jisc.ac.uk",
    "generated_at": "2026-08-09T10:36:08-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 84,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 100,
            "security": 96,
            "network": 70,
            "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": "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": "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": 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": "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": 5,
                "lost_points": 0,
                "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": "67 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": 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": 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": "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": "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": "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": "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": "ok",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "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": "67 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": "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": "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": [
                "104.18.29.104",
                "104.18.28.104"
            ],
            "AAAA": [
                "2606:4700::6812:1d68",
                "2606:4700::6812:1c68"
            ],
            "CNAME": [],
            "MX": [
                "10 jisc-ac-uk.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"ZOOM_verify_r_DPfUUUSIWT9VzhL9NpEA\"",
                "\"cloudflare_dashboard_sso=bb1bdaeab5037ee892d2726153379919\"",
                "\"adobe-idp-site-verification=2ce6ba94531350b5156c05aa460b2af57b5173fe16d9090e9c8bf93a4ff5def6\"",
                "\"fastly-domain-delegation-ubbzeykenzmjznoc34yh-844606-2024-12-06\"",
                "\"google-site-verification=Yi8XKObqCYHTyVDI7Z8UgQj1mtlU5PltxogfkNXTLuI\"",
                "\"jamf-site-verification=jQeHoH4qr9EfSv68T-kkxg\"",
                "\"DMARC-Advisor-verification=gpbth89v\"",
                "\"adobe-sign-verification=931afcc9e699f1eb3107b7857956f63f\"",
                "\"docker-verification=9b4c0960-1e93-49fb-b8a0-2403e40d19aa\"",
                "\"fastly-domain-delegation-mlmij398j3nksszn-13022025\"",
                "\"MS=ms66128236\"",
                "\"7bbdhr5p4d0m20tqzxwm3zt347jb9yl4\"",
                "\"miro-verification=0ec11b91129c6065f568bf23ec7e80cbe10a87a4\"",
                "\"google-site-verification=zr9-6rrzCEle4ebd3-Xs30FS5qxXQ231eizvgGFLxzM\"",
                "\"v=spf1 a:spf-mail.ans.ja.net a:df.spf.jisc.ac.uk ip4:13.111.54.186 ip4:170.153.66.12 ip4:170.153.66.13 ip4:193.62.83.106 ip4:194.83.97.100 ip4:194.83.97.76 ip4:194.83.97.99 include:spf.mailjet.com include:spf.protection.outlook.com\" \" include:spf.eventsforce.net include:msgfocus.com include:amazonses.com include:helpscoutemail.com include:_spf.salesforce.com -all\"",
                "\"QuoVadis=751167c5-49ef-49e5-b62b-2b140c3d5ee6\"",
                "\"\"",
                "\"_57jfm7de9891fq2cxfojfjho8d283uc\"",
                "\"google-site-verification=JhNYYXljNRTRpsgdRipd0fmjxBD4AfvGskBKWk5PRt4\"",
                "\"mentimeter-41c0def4-1c35-4316-be4a-80b718c2ee0b\"",
                "\"apple-domain-verification=40iN5sl4ZqDLakNW\"",
                "\"adobe-idp-site-verification=985a1d3d732a1b7632935f60b862b3dbdd1b2c42747a3573df5fa0de78184d24\""
            ],
            "NS": [
                "ns10.ja.net.",
                "ns12.ja.net.",
                "ns11.ja.net."
            ],
            "SOA": [
                "ns11.ja.net. hostmaster.ns11.ja.net. 2014073706 43200 3600 3600000 3600"
            ],
            "CAA": [
                "0 iodef \"mailto:information.security@jisc.ac.uk\"",
                "0 issue \"ssl.com\"",
                "0 issuewild \"amazontrust.com\"",
                "0 issuewild \"ssl.com\"",
                "0 issuewild \"digicert.com\"",
                "0 issue \"amazontrust.com\"",
                "0 issue \"digicert.com\"",
                "0 issue \"letsencrypt.org\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [
                "100 10 \"s\" \"aaa+auth:radius.tls.tcp\" \"\" _radsec._tcp.openroaming.eduroam.uk.",
                "100 10 \"s\" \"x-eduroam:radius.tls\" \"\" _radsec._tcp.roaming.ja.net."
            ],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "104.18.29.104",
            "104.18.28.104"
        ],
        "ipv6": [
            "2606:4700::6812:1d68",
            "2606:4700::6812:1c68"
        ]
    },
    "mail": {
        "spf": "v=spf1 a:spf-mail.ans.ja.net a:df.spf.jisc.ac.uk ip4:13.111.54.186 ip4:170.153.66.12 ip4:170.153.66.13 ip4:193.62.83.106 ip4:194.83.97.100 ip4:194.83.97.76 ip4:194.83.97.99 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.eventsforce.net include:msgfocus.com include:amazonses.com include:helpscoutemail.com include:_spf.salesforce.com -all",
        "dmarc": "v=DMARC1;p=reject;rua=mailto:gpbth89v@rua.eu.dmarcmanager.app;ruf=mailto:gpbth89v@ruf.eu.dmarcmanager.app;",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.jisc.ac.uk",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAm3W8W0MP67f6w2Wtpa/u1LS4jsMS+3HqUidTWkCHBF/1xZqPloetNA9zRBog7WqwjbQyzjAP2mrbkH+rPq9ebNH7XnNhLW36xpOu2q8eTLYEsUfDIDJa8INuWF9vc5mAaeGlDejbk8cc3s7Lo1MoiBBNk1yEBaIp7o4g/euIvDcaZHCK8e6P4uLo/4A/fudJ7l9jqIkBu7Y6hfaRnKdkeaJeU/oqck30fJtkecgu1rbtACYedEWeOoiEWAHTrsRufqFVDJ4DLlp9UsQAM1PG6jJrxTBkmHwu3D8+Z5RFAkC4o3i9UXkNN4Dtok7LMsL74yCvy9b11IWorsfQMA27CQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 9,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "v=STSv1; id=20240502",
        "tls_rpt": "v=TLSRPTv1; rua=mailto:gpbth89v@tls.eu.dmarcadvisor.com"
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "104.18.28.104",
                        "104.18.29.104"
                    ],
                    "time_ms": 141.7
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "104.18.28.104",
                        "104.18.29.104"
                    ],
                    "time_ms": 451.31
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "104.18.28.104",
                        "104.18.29.104"
                    ],
                    "time_ms": 244.18
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "104.18.28.104",
                        "104.18.29.104"
                    ],
                    "time_ms": 168.45
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "104.18.28.104",
                        "104.18.29.104"
                    ],
                    "time_ms": 148.16
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "SSL Corp",
        "subject": "jisc.ac.uk",
        "valid_from": "2026-04-01T08:25:07-05:00",
        "valid_to": "2026-10-16T08:25:07-05:00",
        "days_remaining": 67,
        "san": [
            "jisc.ac.uk",
            "www.jisc.ac.uk"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.jisc.ac.uk/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "date": "Sun, 09 Aug 2026 15:35:59 GMT",
            "content-type": "text/html; charset=UTF-8",
            "location": "https://www.jisc.ac.uk/",
            "server": "cloudflare",
            "cf-ray": "a287d577cce6f6bc-STL",
            "content-length": "5383",
            "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-AdqNIui58SyJr2cu7vYv6T' '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=\"a287d577cce6f6bc\"",
            "x-content-type-options": "nosniff",
            "x-frame-options": "SAMEORIGIN",
            "set-cookie": "__cf_bm=VFKwuTp5Z3m1AH6ztzqwaQ9AAR5NVRJwanpsWu6HlcQ-1786289759.9650774-1.0.1.1-g9Bnq8wHrQpewSBmpcFEIeOgz.D5a_ui0CzmYZ9mADV1YE6oJGqLuM5ulOAzhAgzSRKWEF0MyUxObKKRykGEhlaGALzW8qad2m2LC3RqU1BEC7P8FOaXPGmnaTl0KPCu; HttpOnly; SameSite=None; Secure; Path=/; Domain=jisc.ac.uk; Expires=Sun, 09 Aug 2026 16:05:59 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.jisc.ac.uk/",
        "title": "Just a moment...",
        "description": "",
        "success": true,
        "error": "",
        "status": 403
    },
    "network": {
        "104.18.29.104": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "104.18.28.104": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "jisc-ac-uk.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 25.1,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4045.2,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4014.2,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.217.62",
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