{
    "ok": true,
    "domain": "mxtoolbox.com",
    "generated_at": "2026-08-09T05:15:33-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 78,
        "label": "Good",
        "categories": {
            "dns": 60,
            "mail": 100,
            "security": 65,
            "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": 0,
                "lost_points": 5,
                "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": "5 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": 5,
                "lost_points": 0,
                "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": "81 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: server-108-157-150-38.mci50.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": "error",
                "title": "CAA policy",
                "detail": "Certificate authority restriction.",
                "category": "dns",
                "max_points": 5,
                "earned_points": 0,
                "lost_points": 5
            },
            {
                "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": "5 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": "ok",
                "title": "MTA-STS",
                "detail": "Mail transport policy.",
                "category": "mail",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0
            },
            {
                "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": "81 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: server-108-157-150-38.mci50.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": [
                "108.157.150.38",
                "108.157.150.112",
                "108.157.150.23",
                "108.157.150.86"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "0 aspmx.l.google.com.",
                "10 aspmx3.googlemail.com.",
                "5 alt1.aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "10 aspmx2.googlemail.com."
            ],
            "TXT": [
                "\"lml8nrmxdc063ms0skf3bnvm2zvslffz\"",
                "\"google-site-verification=a72lcHiaH48r427O4d4O6SrvOBQkmH4IGZ98mH9YWwU\"",
                "\"v=spf1 redirect=mxtoolbox.com.hosted.spf-report.com\"",
                "\"mailru-verification: 18440d267f8068a2\"",
                "\"6ffyqp6bfm0xx4bcgd1ybz0jtknhgpdy\"",
                "\"yahoo-verification-key=VtY1K1/IZ0c2E6oFnpXiTymAITi3lqo8IlXNDII0LdE=\"",
                "\"google-site-verification=IRU-tYT2Zrvln21fPthO9Guao_icDFamyUYMhfh4dlg\""
            ],
            "NS": [
                "ns-984.awsdns-59.net.",
                "ns-1736.awsdns-25.co.uk.",
                "ns-1320.awsdns-37.org.",
                "ns-495.awsdns-61.com."
            ],
            "SOA": [
                "ns-1320.awsdns-37.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "108.157.150.38",
            "108.157.150.112",
            "108.157.150.23",
            "108.157.150.86"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 redirect=mxtoolbox.com.hosted.spf-report.com",
        "dmarc": "v=DMARC1; p=reject; rua=mailto:634990a7@mxtoolbox.dmarc-report.com,mailto:634990a7@mxtoolbox.dmarc-report.net; ruf=mailto:634990a7@forensics.dmarc-report.com,mailto:634990a7@forensics.dmarc-report.net; fo=1; pct=100",
        "dkim_selector": "selector1",
        "dkim_host": "selector1._domainkey.mxtoolbox.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCx/LE2O48EFy1ufqdfYmMMs97Rt1QHnzqKWwhoXxuzKmYZGCqVHJOzz9dm6QrVXKvlWJpCOLv3X9v43w6A1SAD8+IDtvyys01uohGADbyzsa0xbmrFxdFTq2llHHqKFWVm2xY1DSkkOO5a5/Ytcd8cvfIhmCpOhSd8KnlxSgtD+QIDAQAB;",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "v=BIMI1; l=https://images.bimi-report.com/mxtoolbox.com.svg; a=https://images.bimi-report.com/mxtoolbox.com.certificate.pem",
        "mta_sts": "v=STSv1; id=20211220;",
        "tls_rpt": "v=TLSRPTv1;rua=mailto:tlsrpt@mxtoolbox.com"
    },
    "advanced": {
        "ptr": "server-108-157-150-38.mci50.r.cloudfront.net",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "18.154.185.127",
                        "18.154.185.43",
                        "18.154.185.49",
                        "18.154.185.91"
                    ],
                    "time_ms": 72.65
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "18.154.185.127",
                        "18.154.185.43",
                        "18.154.185.49",
                        "18.154.185.91"
                    ],
                    "time_ms": 45.62
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "108.157.150.112",
                        "108.157.150.23",
                        "108.157.150.38",
                        "108.157.150.86"
                    ],
                    "time_ms": 42.63
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "18.154.185.127",
                        "18.154.185.43",
                        "18.154.185.49",
                        "18.154.185.91"
                    ],
                    "time_ms": 37.81
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "108.157.150.112",
                        "108.157.150.23",
                        "108.157.150.38",
                        "108.157.150.86"
                    ],
                    "time_ms": 158.96
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Amazon",
        "subject": "mxtoolbox.com",
        "valid_from": "2026-04-14T19:00:00-05:00",
        "valid_to": "2026-10-29T18:59:59-05:00",
        "days_remaining": 81,
        "san": [
            "mxtoolbox.com",
            "*.mxtoolbox.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://mxtoolbox.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "content-type": "text/html; charset=utf-8",
            "content-length": "21364",
            "date": "Sun, 09 Aug 2026 10:15:24 GMT",
            "x-role": "WebServer",
            "cache-control": "public, max-age=300",
            "expires": "Sun, 09 Aug 2026 10:20:24 GMT",
            "last-modified": "Sun, 09 Aug 2026 10:15:24 GMT",
            "vary": "*",
            "server": "Microsoft-IIS/10.0",
            "x-powered-by": "UrlRewriter.NET 2.0.0",
            "access-control-allow-origin": "*",
            "x-aspnet-version": "4.0.30319",
            "access-control-allow-credentials": "true",
            "x-stage": "prod",
            "set-cookie": "HttpOnly;Secure;SameSite=Strict",
            "x-served-by": "10.140.22.158",
            "x-cache": "Miss from cloudfront",
            "via": "1.1 0add69a4804c4fdeafdff14a7399aed8.cloudfront.net (CloudFront)",
            "x-amz-cf-pop": "MCI50-P2",
            "x-amz-cf-id": "xEFpLW-VPNXgXDEz-yjDWdiqIuvELHxtxXUgg2qiOqyanVczHcnr6g=="
        },
        "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": "Microsoft-IIS/10.0",
        "powered_by": "UrlRewriter.NET 2.0.0"
    },
    "webpage": {
        "url": "https://mxtoolbox.com/",
        "title": "MX Lookup Tool - Check your DNS MX Records online - MxToolbox",
        "description": "",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "108.157.150.38": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "108.157.150.112": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "108.157.150.23": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "108.157.150.86": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 22.2,
                "banner": "220 mx.google.com ESMTP 5614622812f47-4b1af7b4dadsi3529602b6e.102 - gsmtp",
                "error": "No connection"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4017.9,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4010,
                "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": 89.34
}