{
    "ok": true,
    "domain": "ispionline.it",
    "generated_at": "2026-08-11T23:31:05-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 84,
        "label": "Good",
        "categories": {
            "dns": 70,
            "mail": 90,
            "security": 92,
            "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": "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": 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": "55 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": 27,
                "lost_points": 8,
                "detail": "7 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: 143-42-18-242.ip.linodeusercontent.com"
            },
            {
                "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": "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": "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": "55 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": "7 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 27,
                "lost_points": 8
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: 143-42-18-242.ip.linodeusercontent.com",
                "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": [
                "143.42.18.242"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 ispionline-it.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"v=spf1\" \" include:spf.unibocconi.it\" \" include:spf.protection.outlook.com\" \" include:eu.transmail.net\" \" include:eu.zcsend.net\" \" include:musvc.com\" \" ~all\"",
                "\"cisco-ci-domain-verification=457cd52be8c906d6c2565c922546d3df345debffea4b868e0b2a34a4398b2800\"",
                "\"google-site-verification=aU2fUE8N15h_bg7DrfM-lmDR-1cB6n0X3XshY9kO2MQ\"",
                "\"HARICA-HxjkgVoDJVFKEMi4trC\"",
                "\"ZOOM_verify_olqASdbpTEWm5SofpWFDJQ\""
            ],
            "NS": [
                "ns1.unibocconi.it.",
                "ns2.unibocconi.it.",
                "ns1.garr.net."
            ],
            "SOA": [
                "ns1.unibocconi.it. hostmaster.unibocconi.it. 2026030301 86400 3600 604800 3600"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "143.42.18.242"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 include:spf.unibocconi.it include:spf.protection.outlook.com include:eu.transmail.net include:eu.zcsend.net include:musvc.com ~all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:qz87vt1f@ag.eu.dmarcadvisor.com,mailto:dmarc-rua@ispionline.it; ruf=mailto:dmarc-ruf@ispionline.it",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.ispionline.it",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAowG6KMTJuviERQkiQ+z8icngTid/oHN7Et5CioIVf7r9A5/ComM2KEmXtDRPGFyNRfc4r2YoeQOy2nwBpOWnU5sTrwU5aiOKfx5VUXdyp132fPSuWOELhP6fRoW0kUyAo2Qg5arHpwMHoaFbL7N+LqzRyk7yW++eKzcLsgCHMGNsS/9s+ZF6t8bu6UGhhht7xjfo4ckmpb0MU7V8vqwgZaA1BqWBX3PxzCI2Sdl9nRavp6yXun3q5dSI4STw0hcXixK858OEZvPdr8pxnIwCffIqTn5qWYrTiEHrpp3s+pIoA+/X2Vn4tGYFojE3sVI6vC8iwMBYdftgm/WBLpiuNQIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "143-42-18-242.ip.linodeusercontent.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "143.42.18.242"
                    ],
                    "time_ms": 317.75
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "143.42.18.242"
                    ],
                    "time_ms": 270.66
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "143.42.18.242"
                    ],
                    "time_ms": 176.67
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "143.42.18.242"
                    ],
                    "time_ms": 569.63
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "143.42.18.242"
                    ],
                    "time_ms": 326.93
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "ispionline.it",
        "valid_from": "2026-07-08T04:16:57-05:00",
        "valid_to": "2026-10-06T04:16:56-05:00",
        "days_remaining": 55,
        "san": [
            "ispionline.it",
            "www.ispionline.it"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://www.ispionline.it/it",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "nginx-rc/1.31.1.1",
            "date": "Wed, 12 Aug 2026 04:30:55 GMT",
            "content-type": "text/html; charset=UTF-8",
            "content-length": "174",
            "location": "/it",
            "alt-svc": "h3=\":443\"; ma=86400",
            "strict-transport-security": "max-age=31536000; includeSubDomains; preload",
            "x-content-type-options": "nosniff",
            "cache-control": "max-age=0",
            "expires": "Wed, 12 Aug 2026 04:30:55 GMT",
            "vary": "Accept-Encoding,Cookie",
            "x-frame-options": "SAMEORIGIN",
            "x-xss-protection": "1; mode=block",
            "x-download-options": "noopen",
            "x-permitted-cross-domain-policies": "none",
            "x-dns-prefetch-control": "on",
            "content-security-policy": "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https:; script-src-elem 'self' 'unsafe-inline' https:; script-src-attr 'self' 'unsafe-inline' https:; style-src 'self' 'unsafe-inline' https:; style-src-elem 'self' 'unsafe-inline' https:; style-src-attr 'self' 'unsafe-inline' https:; img-src 'self' https: data:; connect-src 'self' https: filesystem: wss://vts.zohopublic.eu; font-src 'self' https: data:; media-src 'self' https: blob:; child-src 'self' https:; form-action 'self' https:; frame-ancestors 'self' https:; object-src 'none'; frame-src 'self' https: data: mediastream: blob: filesystem:; worker-src 'self' https: blob:; manifest-src 'self'; base-uri 'self' https:; upgrade-insecure-requests",
            "referrer-policy": "no-referrer-when-downgrade",
            "cross-origin-resource-policy": "cross-origin",
            "cross-origin-opener-policy": "same-origin-allow-popups",
            "last-modified": "Wed, 12 Aug 2026 03:24:07 GMT"
        },
        "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": true,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": true
        },
        "server": "nginx-rc/1.31.1.1",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.ispionline.it/it",
        "title": "Home | ISPI",
        "description": "",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "143.42.18.242": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "ispionline-it.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 22.7,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4045.1,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4021.3,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
    },
    "visitor": {
        "ip": "216.73.216.212",
        "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": 93.06
}