{
    "ok": true,
    "domain": "ghisler.com",
    "generated_at": "2026-08-10T22:46:02-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 87,
        "label": "Good",
        "categories": {
            "dns": 80,
            "mail": 90,
            "security": 80,
            "network": 85,
            "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": 10,
                "lost_points": 0,
                "detail": "1 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": "14 day(s) remaining."
            },
            {
                "category": "security",
                "title": "Certificate lifetime",
                "max_points": 10,
                "earned_points": 2,
                "lost_points": 8,
                "detail": "Full points require at least 30 days remaining."
            },
            {
                "category": "security",
                "title": "HTTP security headers",
                "max_points": 35,
                "earned_points": 23,
                "lost_points": 12,
                "detail": "6 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: host.ghisler.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": 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": 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": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "1 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": "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": "14 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 2,
                "lost_points": 8
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "6 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 23,
                "lost_points": 12
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: host.ghisler.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": "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": "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": [
                "168.235.88.148"
            ],
            "AAAA": [
                "2604:180:2:1163::2b6d"
            ],
            "CNAME": [],
            "MX": [
                "0 ghisler.com."
            ],
            "TXT": [
                "\"v=spf1 mx a:ghisler.com ip4:88.99.192.139 ip4:168.235.88.148 ip6:2a01:4f8:221:2004::2 ip6:2604:180:2:1163::2b6d -all\"",
                "\"google-site-verification=eWdWmjaNIwP67_z7wZsWAQU22xLlJIEQEuc6mSUbp9s\""
            ],
            "NS": [
                "name2.ghisler.com.",
                "name1.ghisler.com.",
                "name3.ghisler.com."
            ],
            "SOA": [
                "name1.ghisler.com. hostmaster.ghisler.com. 2026070113 3600 1800 1209600 14400"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "168.235.88.148"
        ],
        "ipv6": [
            "2604:180:2:1163::2b6d"
        ]
    },
    "mail": {
        "spf": "v=spf1 mx a:ghisler.com ip4:88.99.192.139 ip4:168.235.88.148 ip6:2a01:4f8:221:2004::2 ip6:2604:180:2:1163::2b6d -all",
        "dmarc": "v=DMARC1;p=quarantine;rua=mailto:chris@ghisler.com;ruf=mailto:chris@ghisler.com",
        "dkim_selector": "default",
        "dkim_host": "default._domainkey.ghisler.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0SNh4NgwcVEFQ7/r4kPcxTrVvZD6Bg6CNwTR5OwyxDZWmd0xhs+6I6kpZDg9YCs9roAjMn3kp+jbPV9lPNnmesRDXfvs4rAyGOPUqUAvWt1G/mQ2wbVB5nmM6D4N5d9VcuSquXEtO8DTvYBbCDsC7EQSIHAd7LBTFTmfQh9FYaOx1gUs1JapfKENbvml6Flg/wykGjg3dOl3GR+Zj2qv3D36OYaeWi6cDwCi38B2MqoTml/71fCsMp0vlMIuLzJstENWkNQqB9WrbERG9uWwagY7bDBOnMeUaZnixmwBD6kAKMPz4ylr7KIztqJ1dXYv0VQZ7QJw0FR8aT5tR9LEzwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "host.ghisler.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "168.235.88.148"
                    ],
                    "time_ms": 172.51
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "168.235.88.148"
                    ],
                    "time_ms": 76.99
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "168.235.88.148"
                    ],
                    "time_ms": 23.89
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "168.235.88.148"
                    ],
                    "time_ms": 109.28
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "168.235.88.148"
                    ],
                    "time_ms": 72.73
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Let's Encrypt",
        "subject": "www.ghisler.com",
        "valid_from": "2026-05-27T22:20:52-05:00",
        "valid_to": "2026-08-25T22:20:51-05:00",
        "days_remaining": 14,
        "san": [
            "ghisler.com",
            "www.ghisler.com"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES256-GCM-SHA384"
    },
    "http": {
        "url": "https://www.ghisler.com/",
        "status": "HTTP/1.1 200 OK",
        "http_version": "2",
        "headers": {
            "date": "Tue, 11 Aug 2026 03:46:00 GMT",
            "server": "CentOS WebPanel: Protected by Mod Security",
            "content-security-policy": "upgrade-insecure-requests; script-src 'sha256-tp1mGBdXveHrizj8nDaLZ4dG1NS4kgIi66qzjCJgKL8=' 'sha256-jbM+W1ZIe2Q2/FFzebkJ6h2st3105pIwbpGhi5bWbRE=' 'sha256-SRLfHV3qfTDHpE3VDRa1KXQRcTRqz61gugMkSK4Pvw8=' 'strict-dynamic' 'unsafe-inline' https:; object-src 'none'; base-uri 'none';",
            "x-frame-options": "SAMEORIGIN",
            "x-xss-protection": "1; mode=block",
            "x-content-type-options": "nosniff",
            "permissions-policy": "fullscreen=(self \"https://ghisler.com\" \"https://www.ghisler.com\"), geolocation=*, camera=()",
            "referrer-policy": "no-referrer-when-downgrade",
            "location": "https://www.ghisler.com/",
            "cache-control": "max-age=3600",
            "expires": "Tue, 11 Aug 2026 04:46:00 GMT",
            "content-type": "text/html",
            "strict-transport-security": "max-age=15552000",
            "last-modified": "Wed, 01 Jul 2026 08:45:48 GMT",
            "etag": "\"3ac9-65588b7cf6700\"",
            "accept-ranges": "bytes",
            "content-length": "15049"
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": true,
            "x-content-type-options": true,
            "x-frame-options": true,
            "referrer-policy": true,
            "permissions-policy": true,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "CentOS WebPanel: Protected by Mod Security",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.ghisler.com/",
        "title": "Total Commander - home",
        "description": "Homepage of Total Commander, a file manager replacement for \r\nWindows 95/98/NT/2000/XP/Vista/7/8/8.1/10/11",
        "success": true,
        "error": "",
        "status": 206
    },
    "network": {
        "168.235.88.148": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "ghisler.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 1.1,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 24.8,
                "banner": "",
                "error": "No connection"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 27,
                "banner": "220 host.ghisler.com ESMTP Postfix",
                "error": "No connection"
            }
        ]
    },
    "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": 87.75
}