{
    "ok": true,
    "domain": "usask.ca",
    "generated_at": "2026-08-09T04:13:41-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 82,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 84,
            "network": 50,
            "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": "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": "1 MX record(s)."
            },
            {
                "category": "mail",
                "title": "SPF",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "SPF policy published."
            },
            {
                "category": "mail",
                "title": "DMARC",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0,
                "detail": "DMARC policy published."
            },
            {
                "category": "mail",
                "title": "DKIM",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "A DKIM selector was verified."
            },
            {
                "category": "mail",
                "title": "MTA-STS",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "Mail transport policy."
            },
            {
                "category": "mail",
                "title": "TLS-RPT",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "152 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": 19,
                "lost_points": 16,
                "detail": "5 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: domainvip.usask.ca"
            },
            {
                "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": 40,
                "lost_points": 0,
                "detail": "HTTP/1.1 200 OK"
            },
            {
                "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": "1 MX record(s).",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "SPF",
                "detail": "SPF policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DMARC",
                "detail": "DMARC policy published.",
                "category": "mail",
                "max_points": 25,
                "earned_points": 25,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "DKIM",
                "detail": "A DKIM selector was verified.",
                "category": "mail",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "error",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "152 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": "5 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 19,
                "lost_points": 16
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: domainvip.usask.ca",
                "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": "ok",
                "title": "HTTP response",
                "detail": "HTTP/1.1 200 OK",
                "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": [
                "128.233.195.103"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 usask-ca.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"google-site-verification=aBPFCGnTyB6NX0tejdGkeL6PaAuMUIbtV4Ehd7uggW0\"",
                "\"anthropic-domain-verification-tgpvkv=EH4YLnjUZmmWizfHtjyJraJXV\"",
                "\"v=spf1 a ip4:168.245.64.247 ip4:128.233.215.0/24 ip4:128.233.238.106 ip4:128.233.206.109 include:spf.protection.outlook.com ip4:72.55.140.81 ip4:65.39.192.50 ip4:18.168.51.200 ip4:18.168.140.58 ip4:148.59.101.16/28 ip4:51.222.48.168 \" \"include:_spf.explore-blue.com include:spf.apparmor.com include:_spf-cac.teamdynamix.com ~all\"",
                "\"adobe-idp-site-verification=6d59d085a7ad6bf50227e2db9e91e29fd1c7dfdc3f0547b4f4eaf39c5190bdf9\"",
                "\"google-site-verification=SXX9kuQggzW_DF7-pR_dMAkdhQNUeXzTfbdLtdStKOM\"",
                "\"cisco-ci-domain-verification=2951e46c42154ea8ee5e6c9127b74273bc63ea75312fdb2f197b7efc6ed696b\"",
                "\"cdQryRfnHw394VVEMNNpR+UVDdIOnDchjb14fmJk8Dog675Nz1M4i/PG7gHooC8pDUF8DXNXN4sP9/721EGYQQ==\"",
                "\"8ET90NBDX38M5XNL9E7FU03G8X8S2VAQ38AEHQY6A\"",
                "\"workplace-domain-verification=8lrmPJL4HARldnYhl8oo16Hn9JJ5f2\"",
                "\"MS=ms78208264\"",
                "\"bcn=913CF5D6-F0AE-11EC-9178-8F43EDC9BA70\""
            ],
            "NS": [
                "ns1.d-zone.ca.",
                "ns2.usask.ca.",
                "ns1.usask.ca.",
                "ns2.d-zone.ca."
            ],
            "SOA": [
                "ns1.usask.ca. empty.empty. 301169814 3600 900 1209600 600"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "128.233.195.103"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 a ip4:168.245.64.247 ip4:128.233.215.0/24 ip4:128.233.238.106 ip4:128.233.206.109 include:spf.protection.outlook.com ip4:72.55.140.81 ip4:65.39.192.50 ip4:18.168.51.200 ip4:18.168.140.58 ip4:148.59.101.16/28 ip4:51.222.48.168 include:_spf.explore-blue.com include:spf.apparmor.com include:_spf-cac.teamdynamix.com ~all",
        "dmarc": "v=DMARC1; p=none; rua=mailto:dmarc.reports@usask.ca",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.usask.ca",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvqh7O4WXIldLfN6H4KmAXos64pyfxUo8JTxu6C2SqigLQ56QpmoWaW4c4xTeADw4xdBnp80WUOIR+KwBbMlEiWhU66zbDnIBriJEBhRav7BVhEi5fz02RCiSsSxXF3YUkulLMZGgEbaSlGxuVfd54WVT0bgch25Cxuha3EuyjxANxhmK9e/W0Gqof8qHWCo0m4ZgkXnvCcEYZhUT15cw6thHJYtAfK0w80IewAIVO/mdknVW5yXZMkAlB13ku0G46t/9Hju9vR6rvlumzwj3f7eyD3RBJXK81ErHHQJcunIj+d/dj3OpiS120aGBjixGwrQyploqKMThhdPHZ5fNxQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "none"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "domainvip.usask.ca",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "128.233.195.103"
                    ],
                    "time_ms": 41.36
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "128.233.195.103"
                    ],
                    "time_ms": 84.85
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "128.233.195.103"
                    ],
                    "time_ms": 100.7
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "128.233.195.103"
                    ],
                    "time_ms": 115.39
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "128.233.195.103"
                    ],
                    "time_ms": 118.99
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "DigiCert Inc",
        "subject": "*.usask.ca",
        "valid_from": "2026-06-23T19:00:00-05:00",
        "valid_to": "2027-01-08T17:59:59-06:00",
        "days_remaining": 152,
        "san": [
            "*.usask.ca",
            "usask.ca"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
    },
    "http": {
        "url": "https://www.usask.ca/",
        "status": "HTTP/1.1 200 OK",
        "http_version": "2",
        "headers": {
            "location": "https://www.usask.ca/",
            "server": "Apache",
            "connection": "close",
            "content-length": "0",
            "date": "Sun, 09 Aug 2026 09:13:32 GMT",
            "strict-transport-security": "max-age=31536000; preload",
            "cache-control": "max-age=0",
            "expires": "Sun, 09 Aug 2026 09:13:32 GMT",
            "x-ua-compatible": "IE=edge",
            "x-frame-options": "SAMEORIGIN",
            "x-content-type-options": "nosniff",
            "x-xss-protection": "1; mode=block",
            "referrer-policy": "no-referrer-when-downgrade",
            "content-security-policy": "default-src https:; script-src 'unsafe-inline' 'unsafe-eval' https:; style-src 'unsafe-inline' https:; img-src 'self' *.usask.ca https: data: blob:; media-src 'self' https:",
            "content-type": "text/html; charset=UTF-8"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Apache",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.usask.ca/",
        "title": "University of Saskatchewan",
        "description": "At the heart of Saskatoon, on Treaty 6 territory and the homeland of the Métis, is the University of Saskatchewan, one of Canada’s top research universities.",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "128.233.195.103": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "usask-ca.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 26.8,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4042.3,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4020.8,
                "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": 91.17
}