{
    "ok": true,
    "domain": "linkedin.com",
    "generated_at": "2026-08-08T16:54:30-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 77,
        "label": "Good",
        "categories": {
            "dns": 85,
            "mail": 95,
            "security": 65,
            "network": 85,
            "availability": 60
        },
        "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": "8 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": 10,
                "lost_points": 0,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "4 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": 5,
                "lost_points": 0,
                "detail": "TLS reporting policy."
            },
            {
                "category": "security",
                "title": "Valid TLS certificate",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0,
                "detail": "104 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": 0,
                "lost_points": 35,
                "detail": "0 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: 14.32.211.130.bc.googleusercontent.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": 0,
                "lost_points": 40,
                "detail": "HTTP/2 403 "
            },
            {
                "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": "8 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": "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": "4 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": "ok",
                "title": "TLS-RPT",
                "detail": "TLS reporting policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Valid TLS certificate",
                "detail": "104 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": "error",
                "title": "HTTP security headers",
                "detail": "0 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 0,
                "lost_points": 35
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: 14.32.211.130.bc.googleusercontent.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": "error",
                "title": "HTTP response",
                "detail": "HTTP/2 403 ",
                "category": "availability",
                "max_points": 40,
                "earned_points": 0,
                "lost_points": 40
            },
            {
                "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": [
                "130.211.32.14"
            ],
            "AAAA": [
                "2600:1901:0:d5ad::"
            ],
            "CNAME": [],
            "MX": [
                "20 mail.linkedin.com.",
                "10 mail-c.linkedin.com.",
                "10 mail-d.linkedin.com.",
                "10 mail-a.linkedin.com."
            ],
            "TXT": [
                "\"448e0dc03e935ecf66d81f1ce3c26b2f2fea13756c031ffc4be91749107f3a79\"",
                "\"_cthqqp5zj8g86qf3h97heqitg2zc32b\"",
                "\"google-site-verification=mMV_EnYaB52OhMo-jbNowf8QVIKcXV3WpXreynLFFEo\"",
                "\"vmware-cloud-verification-f4d7c1c7-ad66-450f-82fa-c17b9ee79459\"",
                "\"elevenlabs=hRLt8nemUjAWJSL_xhBIsKFyK4yYV089AvwkOB0cxYY\"",
                "\"docusign=11f01284-dffc-40f9-8d56-57e5261ede3f\"",
                "\"google-site-verification=0Vs9yf1V6RGkuzow85OzIXKEnjpRswpDkI6RgDVspMg\"",
                "\"atlassian-domain-verification=juKdSE4GGphSmzPkhmnRJUNIn0ALdb0vsP7VSPM8TmTP7WgbgUQPLFdNicP7bF58\"",
                "\"google-site-verification=8LaIeBMwr6K8qWeaGa4CEmfPKiZDwaT38t5mIrtaroI\"",
                "\"apple-domain-verification=Hp7LihDNsREwfHX9\"",
                "\"bf5fl8sny79w4c70jxp6cp3crkqtr7qk\"",
                "\"bluebeam-verification=02px6k8snlrzd6gx3b3oqkeatbzawd\"",
                "\"miro-verification=260f00146b6d2ad1bb70d6dc07a077b672badd28\"",
                "\"google-site-verification=xAGz495k8RbGclhamQx1TkZSHDxOaEd95fOjc8xpbTA\"",
                "\"google-site-verification=vfmYHwjzUIFPzxFcyuwEToh_1kG9wvcpGgJnB-MhQn8\"",
                "\"google-site-verification=oJFWbtlKRblXs4smNibcoJkTJqwT6gd3XMI80VjBihE\"",
                "\"AFDVALIDATION=LinkedIn\"",
                "\"v=spf1 ip4:199.101.162.0/25 ip4:108.174.3.0/24 ip4:108.174.6.0/24 ip4:108.174.0.0/24 ip6:2620:109:c00d:104::/64 ip6:2620:109:c006:104::/64 ip6:2620:109:c003:104::/64 ip6:2620:119:50c0:207::/64 ip4:199.101.161.130 mx mx:docusign.net ~all\"",
                "\"google-site-verification=anx3jpa6VKkTWRJKnglUIzm7UEn-ZCT2WqAfG7h-xOg\"",
                "\"liveramp-site-verification=yQ2nkwhqszpGRQg_J38S60KHInPVs-dclgyNRtRrlBA\"",
                "\"google-site-verification=X0LoSQsAMzR-TK4o-ULrYAwLi_fyopfRLkm_C-4N4Ts\"",
                "\"google-site-verification=VE9BWhjbPPNmbr3ZJcwn5hLTsz7c5KPt3zXdYyaSnSQ\"",
                "\"atlassian-domain-verification=dDed2VFvlDajBX8X22w52Jx/W/YLHR81SxUuraa9zNdz4aLjDS/RpfN11w2bxpRc\"",
                "\"atlassian-sending-domain-verification=3bdb0597-814d-4e10-a552-5cf78f92ab3c\""
            ],
            "NS": [
                "dns4.p09.nsone.net.",
                "dns2.p09.nsone.net.",
                "ns1-42.azure-dns.com.",
                "ns2-42.azure-dns.net.",
                "ns4-42.azure-dns.info.",
                "ns3-42.azure-dns.org.",
                "dns3.p09.nsone.net.",
                "dns1.p09.nsone.net."
            ],
            "SOA": [
                "ns1-42.azure-dns.com. hostmaster.linkedin.com. 1 3600 300 604800 60"
            ],
            "CAA": [
                "0 contactemail \"tls-alerts@linkedin.com\"",
                "0 contactemail \"caarecordaware@microsoft.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "130.211.32.14"
        ],
        "ipv6": [
            "2600:1901:0:d5ad::"
        ]
    },
    "mail": {
        "spf": "v=spf1 ip4:199.101.162.0/25 ip4:108.174.3.0/24 ip4:108.174.6.0/24 ip4:108.174.0.0/24 ip6:2620:109:c00d:104::/64 ip6:2620:109:c006:104::/64 ip6:2620:109:c003:104::/64 ip6:2620:119:50c0:207::/64 ip4:199.101.161.130 mx mx:docusign.net ~all",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:d@rua.agari.com,mailto:yfy3q-9359@rua.dmarc.emailanalyst.com; ruf=mailto:d@ruf.agari.com",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.linkedin.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCLhE5uHP4DCQPLBtQNWwX2rvKIxmdgrYvdutyxpbCqgcKPoizLq3nga7Q2OdQ6bhevk8SuM8LTYfN+xNuJZb88vT195QG7OkcisrCA3RpL6Qq+9mB+sGFQ92gZlgQPQMrsEHfG6nLYXqilsBojTBfIaGo+nTaae26ubhkcMPKmNQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 2,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "v=BIMI1; l=https://media.licdn.com/media/AAYQAQQhAAgAAQAAAAAAABrLiVuNIZ3fRKGlFSn4hGZubg.svg; a=https://media.licdn.com/media/AAYABAQhAAgAAQAAAAAAAYFI0DP_wvHFSv6mYduMZuEwSA.pem;",
        "mta_sts": "",
        "tls_rpt": "v=TLSRPTv1; rua=mailto:tlsreports@linkedin.com"
    },
    "advanced": {
        "ptr": "14.32.211.130.bc.googleusercontent.com",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "130.211.32.14"
                    ],
                    "time_ms": 75.33
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "130.211.32.14"
                    ],
                    "time_ms": 46.83
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "130.211.32.14"
                    ],
                    "time_ms": 43.51
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "130.211.32.14"
                    ],
                    "time_ms": 34.8
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "130.211.32.14"
                    ],
                    "time_ms": 66.76
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "DigiCert Inc",
        "subject": "linkedin.com",
        "valid_from": "2026-05-19T19:00:00-05:00",
        "valid_to": "2026-11-20T17:59:59-06:00",
        "days_remaining": 104,
        "san": [
            "linkedin.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://linkedin.com/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "content-type": "text/html; charset=UTF-8",
            "content-length": "134",
            "via": "1.1 google",
            "date": "Sat, 08 Aug 2026 21:54:21 GMT",
            "x-gcp-trace-id": "05593290ad3440528205847351785fd0",
            "x-colo-gcp": "PROD-CBF",
            "alt-svc": "h3=\":443\"; ma=2592000,h3-29=\":443\"; ma=2592000"
        },
        "security_checks": {
            "strict-transport-security": false,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": false,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://linkedin.com/",
        "title": "Checking your browser - reCAPTCHA",
        "description": "",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "130.211.32.14": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "mail.linkedin.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 8,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4028.7,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4014.9,
                "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": 156.03
}