{
    "ok": true,
    "domain": "dfds.com",
    "generated_at": "2026-08-10T20:15:41-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 83,
        "label": "Good",
        "categories": {
            "dns": 65,
            "mail": 90,
            "security": 88,
            "network": 65,
            "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": "4 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": 5,
                "lost_points": 0,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "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": "159 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": 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: server-18-154-185-67.ord58.r.cloudfront.net"
            },
            {
                "category": "network",
                "title": "IPv4 diversity",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0,
                "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": "4 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": "ok",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "DNS propagation",
                "detail": "Agreement between public resolvers.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10
            },
            {
                "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": "159 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": "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: server-18-154-185-67.ord58.r.cloudfront.net",
                "category": "network",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv4 diversity",
                "detail": "Two or more IPv4 addresses receive full points.",
                "category": "network",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "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": [
                "18.154.185.67",
                "18.154.185.23",
                "18.154.185.40",
                "18.154.185.28"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 dfds-com.mail.protection.outlook.com."
            ],
            "TXT": [
                "\"_globalsign-domain-verification=6v98eRaaXxbRYAqfrL_4a2lYq3VybvR2grB0XHSa_o\"",
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                "\"a563b0981629ed4284c295290732f16b\"",
                "\"anthropic-domain-verification-9hnfgq=8X2b1FtXeryLa31xsze2qrYaF\"",
                "\"nuu4tVZCkBxNwgIkwx37UDSPDclQzM3/Mz7k9sgGLxA=\"",
                "\"vS2KfWURZu7F6pSAVZkUPZtk3LojDUkUgi2gYZ9KP/3IFpYMTZCUo9aXk34tcnv8n/tgAqZdCyMy6/s/RNEpmQ==\"",
                "\"teamviewer-sso-verification=4540c8055e414ad9bbbc66b7b8487e5d\"",
                "\"Q9ZPPCS0DZHMNCU5A6KIXHEZEJ4U8GMKAJF94KOE\"",
                "\"MS=ms53524495\"",
                "\"k6KVI73GsN2vS0qsMcys4AufwfTESQn1LDaA2SmSjDlI5Iv9nTix6564xHswo30csK/WfuifRgJyjugBmjbmKg==\"",
                "\"_globalsign-domain-verification=Kpb4ZfRgt0J9raqx9N_udo9kHS4n-ERPPG7LWJ_s3G\"",
                "\"facebook-domain-verification=wzj21pel8i60zx2q9k5m6el2asm71n\"",
                "\"v=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.140 ip4:193.9.230.141 ip4:193.9.231.121 ip4:193.9.231.122 ip4:207.54.76.149 ip4:207.54.76.174 ip4:207.54.77.27 ip4:207.54.72.91 ip4:159.100.98.243 -all\"",
                "\"1GUSXx9QARVo1gSvHqiq2pT8DK0mJh6OejmIb78lKWZmZNTpL6N5hDoUTCFU+lEcUTNaND7fhdTKBl1fFwBWEw==\"",
                "\"apple-domain-verification=ZFUAktdnDIhZXghO\"",
                "\"xlG3WXmDEgmGm8y1dzvwOhRU8LWNZgnNJkjdzMfOMd4=\"",
                "\"ahrefs-site-verification_7636e025fc5c2fec8c1b46b70aa478a3aaa7b65d3299cb4bf70e5067b8856102\"",
                "\"facebook-domain-verification=b4jszvydg85kr0p2i5iq61f3c7r7gl\"",
                "\"globalsign-domain-verification=ECE93F376298716BDDEEAD1C78B670C4\"",
                "\"google-site-verification=SK8A7KQObSsvL5PCH6PPhkzfvixmOTgSX1WA3dijNNQ\"",
                "\"jetbrains-domain-verification=7kf5l570wim3sbmby10oaih40\"",
                "\"1password-site-verification=FVV6ENA7VRA5NCOI3ZC254A2B4\""
            ],
            "NS": [
                "ns-316.awsdns-39.com.",
                "ns-572.awsdns-07.net.",
                "ns-1679.awsdns-17.co.uk.",
                "ns-1378.awsdns-44.org."
            ],
            "SOA": [
                "ns-1378.awsdns-44.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [
                "0 issue \"globalsign.com\"",
                "0 issue \"amazonaws.com\"",
                "0 issue \"certainly.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issue \"actalis.it\"",
                "0 issue \"amazon.com\"",
                "0 issue \"amazontrust.com\"",
                "0 issue \"digicert.com\"",
                "0 iodef \"mailto:ssladmin@dfds.com\"",
                "0 issue \"awstrust.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "18.154.185.67",
            "18.154.185.23",
            "18.154.185.40",
            "18.154.185.28"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.140 ip4:193.9.230.141 ip4:193.9.231.121 ip4:193.9.231.122 ip4:207.54.76.149 ip4:207.54.76.174 ip4:207.54.77.27 ip4:207.54.72.91 ip4:159.100.98.243 -all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:dmarc-report@dfds.com; ruf=mailto:dmarc-report@dfds.com; sp=none; fo=1; aspf=s; pct=100",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.dfds.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCGhFEU0OjNxECTldjEpiQMzZ+u51szmfR9UMmqb9dfcO6Ne51V+h8Z2o9MiHZlus14q8gxng6elvNcfZtjkZ1dz89TpXFdbOEQKtsk19QCf2QTBq1RHkl+BFmhKnu8ekdiDO968cR9Jrktc+9nZeDcBzbph1kj6/ohOyPHbFoL4QIDAQAB; n=1024,1455850921,1471575721",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "server-18-154-185-67.ord58.r.cloudfront.net",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "54.192.100.28",
                        "54.192.100.29",
                        "54.192.100.65",
                        "54.192.100.69"
                    ],
                    "time_ms": 54.48
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
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                        "18.154.185.28",
                        "18.154.185.40",
                        "18.154.185.67"
                    ],
                    "time_ms": 40.98
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "52.84.217.117",
                        "52.84.217.122",
                        "52.84.217.15",
                        "52.84.217.65"
                    ],
                    "time_ms": 62.15
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
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                        "54.192.100.29",
                        "54.192.100.65",
                        "54.192.100.69"
                    ],
                    "time_ms": 79.89
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "54.192.100.28",
                        "54.192.100.29",
                        "54.192.100.65",
                        "54.192.100.69"
                    ],
                    "time_ms": 237.4
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Amazon",
        "subject": "prod1.enable-one-dfds-domain-experience.dfds.cloud",
        "valid_from": "2026-07-03T19:00:00-05:00",
        "valid_to": "2027-01-17T17:59:59-06:00",
        "days_remaining": 159,
        "san": [
            "prod1.enable-one-dfds-domain-experience.dfds.cloud",
            "prod.enable-one-dfds-domain-experience.dfds.cloud",
            "dfds.com",
            "www.prod1.enable-one-dfds-domain-experience.dfds.cloud",
            "www.dfds.com",
            "www.prod.enable-one-dfds-domain-experience.dfds.cloud"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://www.dfds.com/en/passenger-ferries",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "server": "Vercel",
            "date": "Tue, 11 Aug 2026 01:15:32 GMT",
            "content-length": "340052",
            "location": "https://www.dfds.com/en/passenger-ferries",
            "x-cache": "Miss from cloudfront",
            "via": "1.1 d2781cbc5b051eea1dbcba637ac10784.cloudfront.net (CloudFront)",
            "x-amz-cf-pop": "ORD58-P7",
            "x-amz-cf-id": "ELpa10L9piScr8t40Vvc9Fp9UfK-k2Bql6ismpNkTIVGMJvOyFXKcQ==",
            "content-type": "text/html; charset=utf-8",
            "accept-ranges": "bytes",
            "access-control-allow-origin": "*",
            "cache-control": "public, max-age=0, must-revalidate",
            "content-disposition": "inline",
            "etag": "\"4c15fda15e2b2b3d1759ade9d43ad65c\"",
            "strict-transport-security": "max-age=63072000; includeSubDomains; preload",
            "x-matched-path": "/en/passenger-ferries",
            "x-vercel-cache": "HIT",
            "x-vercel-id": "cle1::khcr9-1786410932721-248cfc4659d5",
            "x-frame-options": "deny",
            "content-security-policy": "frame-ancestors 'self' https://app.contentful.com",
            "x-xss-protection": "1; mode=block",
            "x-content-type-options": "nosniff",
            "referrer-policy": "no-referrer-when-downgrade",
            "permissions-policy": "accelerometer=(), autoplay=(self), camera=(), cross-origin-isolated=(self), display-capture=(self), encrypted-media=(self), fullscreen=(self), geolocation=(self), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(self), picture-in-picture=(self \"https://youtu.be\" \"https://youtube.com\" \"https://*.youtube.com\"), publickey-credentials-get=(self), screen-wake-lock=(), sync-xhr=(self), usb=(), xr-spatial-tracking=(self), clipboard-read=(self), clipboard-write=(self), gamepad=(), hid=(self), idle-detection=(self), interest-cohort=(self), serial=(self)",
            "vary": "Accept-Encoding",
            "age": "33773"
        },
        "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": "Vercel",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://www.dfds.com/en/passenger-ferries",
        "title": "European Cruises & Ferries | DFDS",
        "description": "Plan and book a DFDS cruise or ferry crossing across our European network.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "18.154.185.67": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "18.154.185.23": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "18.154.185.40": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "18.154.185.28": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "dfds-com.mail.protection.outlook.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 26.7,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4019.9,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4055.2,
                "banner": "",
                "error": "Connection timed out"
            }
        ]
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