{
    "ok": true,
    "domain": "ryerson.ca",
    "generated_at": "2026-08-09T16:56:15-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 79,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 73,
            "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": "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": 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": "54 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": 8,
                "lost_points": 27,
                "detail": "2 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: ryerson.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/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": "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": "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": "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": "54 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": "2 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 8,
                "lost_points": 27
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: ryerson.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/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": [
                "141.117.126.20"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "5 rscan.ryerson.ca."
            ],
            "TXT": [
                "\"sophos-domain-verification=16c198d80f46ab8ec6b83c5ccefbd7a94711289b767b842522b229690a2a74be\"",
                "\"bcn=CE5C750E-23DA-11ED-A1D5-B72DCD24DBDF\"",
                "\"apple-domain-verification=0whOnBLqMFQbqqt0\"",
                "\"v=spf1 ip4:141.117.125.1  ip4:141.117.125.11 ip4:141.117.125.12 ip4:141.117.126.1 ip4:141.117.126.2 include:_spf.google.com ?ip4:141.117.0.0/16 ~all\"",
                "\"google-site-verification=s-TRvfo6Izmz172NHnG8G4Gl7BkjqmVf27prRBlw1Co\"",
                "\"google-site-verification=jmyc86Fw3RseCb_X4JV7bIBrDDkDSk_jv5il9oGNKwo\"",
                "\"h2hfp99b2sso8e0p937acl2jdf\"",
                "\"1password-site-verification=BXZVUNI5RZCJXLQ2LV5W553KCQ\"",
                "\"google-site-verification=Xj3rc-3mJ3iJJgAZATzKfpnfgMzZfkjO0SKV5Qk8TD0\"",
                "\"MS=ms78557746\"",
                "\"ds64gful2sics7kgld84aa337f\"",
                "\"90qt9b4c9m6carorb9ogm0dbmd\"",
                "\"teamviewer-sso-verification=87958f4713154954a5a396cc4433c87f\"",
                "\"_b9iw8znpyuluhjx7z8cag2wgg7s03jc\"",
                "\"atlassian-domain-verification=/luBoyVbcNm1b4OlDG0Glq6VlmFYrPOhagaYvhwkO6FBT1HZeo2GCMq9paqCRSEZ\""
            ],
            "NS": [
                "ns1.d-zone.ca.",
                "ns2.d-zone.ca."
            ],
            "SOA": [
                "extns1.ryerson.ca. noc.torontomu.ca. 2012043266 3600 108000 2419200 900"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "141.117.126.20"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:141.117.125.1  ip4:141.117.125.11 ip4:141.117.125.12 ip4:141.117.126.1 ip4:141.117.126.2 include:_spf.google.com ?ip4:141.117.0.0/16 ~all",
        "dmarc": "v=DMARC1;p=quarantine;rua=mailto:5784eafad25f951@rep.dmarcanalyzer.com;ruf=mailto:5784eafad25f951@for.dmarcanalyzer.com;pct=100;sp=none;adkim=s;fo=1;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.ryerson.ca",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr2h6qTT6ZDPt/GuJtqIdF7ksoDfqlVwXs4lliWL6VtY4Xfc5RopiWsrceuJmEO4MZ2AU+F0nEJUsBwWSwMXnSizlZv9F8F/MlluLjUTTbU4atcsGbexgHdrZU816qI03+GBjcJ8wRe6ST9vxWVx/Wszz40PvMnXlG6+ChblyxhR/VpqMh03gusWG4EI7XsGuYOzTOvpoOJ2vyaES2qO2JDToCtNOQtq7Js8EwOPPVirE9jX2+TvK3NDOqnqEPwU6hLuyBXjoiUHXI6UvQt30SbNVEmIiUYJ8jFelP8QHPPnWAg41ShTXu9Fe58nBQ+PXx7zTle646wvp4h6ufpMMQQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ryerson.ca",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "141.117.126.20"
                    ],
                    "time_ms": 88.57
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "141.117.126.20"
                    ],
                    "time_ms": 59.21
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "141.117.126.20"
                    ],
                    "time_ms": 52.37
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "141.117.126.20"
                    ],
                    "time_ms": 78.41
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "141.117.126.20"
                    ],
                    "time_ms": 165.92
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "DigiCert Inc",
        "subject": "*.ryerson.ca",
        "valid_from": "2026-03-17T19:00:00-05:00",
        "valid_to": "2026-10-02T18:59:59-05:00",
        "days_remaining": 54,
        "san": [
            "*.ryerson.ca",
            "ryerson.ca"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://www.torontomu.ca/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "location": "https://www.torontomu.ca/",
            "cache-control": "max-age=300",
            "server": "Apache/2.4.37 (Red Hat Enterprise Linux)",
            "connection": "Keep-Alive",
            "content-length": "69919",
            "date": "Sun, 09 Aug 2026 21:56:14 GMT",
            "permissions-policy": "geolocation=(),microphone=(),camera=()",
            "accept-ranges": "none",
            "expires": "Sun, 09 Aug 2026 22:01:14 GMT",
            "vary": "Accept-Encoding",
            "content-type": "text/html;charset=utf-8",
            "strict-transport-security": "max-age=31536000"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": true,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "Apache/2.4.37 (Red Hat Enterprise Linux)",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.torontomu.ca/",
        "title": "Toronto Metropolitan University Home - Toronto Metropolitan University (TMU)",
        "description": "Toronto Metropolitan University is located in the heart of Canada's largest city. Its distinctly urban campus features a culture that's innovative and entrepreneurial and a community that's welcoming and inclusive.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "141.117.126.20": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "rscan.ryerson.ca",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 27.5,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 18.7,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 18.6,
                "banner": "",
                "error": "Connection refused"
            }
        ]
    },
    "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": 84.25
}