{
    "ok": true,
    "domain": "up.ac.za",
    "generated_at": "2026-08-09T18:28:48-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 53,
        "label": "Critical",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 0,
            "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": "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": 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": "5 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: prhfwinad01.up.ac.za"
            },
            {
                "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": "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": "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": "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": "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": "5 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: prhfwinad01.up.ac.za",
                "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": "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": [
                "137.215.11.46"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "1 aspmx.l.google.com.",
                "10 alt4.aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "5 alt1.aspmx.l.google.com.",
                "10 alt3.aspmx.l.google.com."
            ],
            "TXT": [
                "\"everlytic-site-verification=bdb9d4cd676b80475fa5503a5e1416f1bb9eac60a7112c7e2f8287e1eb034156089477b1b13f4d810e078c81736d21975a1f5488394213734cecaccce58ab2ed\"",
                "\"everlytic-site-verification=f8b0b7c10dfb577276948fc2cb5fe7ef3cca63607e07a3b088378b15e34fccd855ada4818d64200b7debe32189519eb696e61c6bd4071c7a592fd70615c0d117\"",
                "\"google-site-verification=EEg5LUUTgO_eH_c6uU8A9TjQJZPoBEA3Q8w7W6Els7k\"",
                "\"google-site-verification=_wDgLFn2y2O4ZUIat-49IT8gm35k6pavu60UwXNZPgs\"",
                "\"google-site-verification=a-ZYwDgIhFasUtWbNX_l62AbLEnh-H-0MbfN-IS7Vj4\"",
                "\"MS=ms60833582\"",
                "\"google-site-verification=uZeP8pM4K0sBZNWCE4gAo8-gK4_WzH-nFuMRUlk4408\"",
                "\"v=spf1 ip4:137.215.0.0/16 include:_spf.google.com include:spf.smtp2go.com include:spf.antispamcloud.com ip4:184.106.13.89 ip4:63.32.233.163 include:spf.watermarkinsights.com include:spf-up2.tuks.co.za -all\"",
                "\"HARICA-tWgUT2tYaeRE3HbnpoU\""
            ],
            "NS": [
                "ns2.up.ac.za.",
                "ns5.up.ac.za.",
                "ns3.up.ac.za.",
                "ns1.up.ac.za."
            ],
            "SOA": [
                "ns2.up.ac.za. dnsadmin.up.ac.za. 4163105652 10800 3600 1728000 900"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [
                "100 10 \"S\" \"x-eduroam:radius.tls\" \"\" _radsec._tcp.eduroam.ac.za."
            ],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "137.215.11.46"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:137.215.0.0/16 include:_spf.google.com include:spf.smtp2go.com include:spf.antispamcloud.com ip4:184.106.13.89 ip4:63.32.233.163 include:spf.watermarkinsights.com include:spf-up2.tuks.co.za -all",
        "dmarc": "v=DMARC1; p=quarantine; sp=none; rua=mailto:dmarc-up@up.ac.za",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.up.ac.za",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDmxKTE/z5pC6xVPpv8WVTsS/DYVTagNWJYyvfSgFFavWUanFHXUzgDIOi5AYpaX9oiv1tSWlwz34Tia8ELduHI87Psu57s7UOG7i8rWnv+fC41S704aMtmfPTOJfXkfdn0tudc2pHGxHdFn1vPu2zWz5RlbH8Qc4Ym9GByP0p/PwIDAQAB; n=1024,1450873123,1466684323",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "prhfwinad01.up.ac.za",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "137.215.11.46"
                    ],
                    "time_ms": 294.8
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "137.215.11.46"
                    ],
                    "time_ms": 557.32
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "137.215.11.46"
                    ],
                    "time_ms": 247.61
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "137.215.11.46"
                    ],
                    "time_ms": 736.91
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "137.215.11.46"
                    ],
                    "time_ms": 508.33
                }
            ]
        }
    },
    "ssl": {
        "available": false,
        "issuer": "",
        "subject": "",
        "valid_from": "",
        "valid_to": "",
        "days_remaining": null,
        "san": [],
        "protocol": "",
        "cipher": "",
        "error": "Connection timed out"
    },
    "http": {
        "url": "https://up.ac.za/",
        "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://up.ac.za/",
        "title": "",
        "description": "",
        "success": false,
        "error": "Connection timeout after 5004 ms"
    },
    "network": {
        "137.215.11.46": {
            "success": true,
            "country": "South Africa",
            "country_code": "ZA",
            "region": "Gauteng",
            "city": "Pretoria",
            "latitude": -25.6622631,
            "longitude": 28.1628282,
            "asn": 2018,
            "organization": "University of Pretoria",
            "isp": "The UNINET Project - TENET The UNINET Project",
            "timezone": "Africa/Johannesburg"
        }
    },
    "smtp": {
        "host": "aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 22,
                "banner": "220 mx.google.com ESMTP 006d021491bc7-6b04aa4231dsi3641921eaf.34 - gsmtp",
                "error": "No connection"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4007.6,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4015.4,
                "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": 77.32
}