{
    "ok": true,
    "domain": "gusto.com",
    "generated_at": "2026-08-10T01:10:19-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 82,
        "label": "Good",
        "categories": {
            "dns": 80,
            "mail": 90,
            "security": 100,
            "network": 70,
            "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": "2 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "2 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "2 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": "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": 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": "64 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": 35,
                "lost_points": 0,
                "detail": "9 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30,
                "detail": "PTR not detected."
            },
            {
                "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": 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": "2 IPv4 address(es) detected.",
                "category": "dns",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "IPv6 (AAAA)",
                "detail": "2 IPv6 address(es) detected.",
                "category": "dns",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Name server redundancy",
                "detail": "2 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": "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": "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": "64 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": "ok",
                "title": "HTTP security headers",
                "detail": "9 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 35,
                "lost_points": 0
            },
            {
                "level": "error",
                "title": "PTR reverse DNS",
                "detail": "PTR not detected.",
                "category": "network",
                "max_points": 30,
                "earned_points": 0,
                "lost_points": 30
            },
            {
                "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": "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": [
                "172.64.154.69",
                "104.18.33.187"
            ],
            "AAAA": [
                "2606:4700:4405::ac40:9a45",
                "2606:4700:4406::6812:21bb"
            ],
            "CNAME": [],
            "MX": [
                "10 alt4.aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "10 alt3.aspmx.l.google.com.",
                "1 aspmx.l.google.com.",
                "5 alt1.aspmx.l.google.com."
            ],
            "TXT": [
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                "\"gitpod-verification=uNx11AH_8N7seMBLdLcRetyYRBLQI_hMStiSm0RcIQ8=\"",
                "\"hcp-domain-verification=da4f4acda92de9986caa5bfb7b058d21348aecd9b8c3764715e95f2f7c31156f\"",
                "\"docusign=44061571-8290-423d-a601-96af8ca3bd73\"",
                "\"jamf-site-verification=TrD0Onj468PA26FvCR1Faw\"",
                "\"adobe-idp-site-verification=47088a52b9c8ecafa9950347b98c697f55a68ef43a93c74f3bbaf9abc6db38ec\"",
                "\"onetrust-domain-verification=544618c21464429e8118feb7e564ef8f\"",
                "\"hubspot-developer-verification=ZjhiNTFmZmItNGY4ZS00YWExLTg2M2UtNjk1YzliZjcyY2Vh\"",
                "\"bugcrowd-verification=eab3bbae6a6ba661506b460c17a9911d\"",
                "\"read-ai-verification=cccccd41-4937-4241-945d-1842b2c606cd\"",
                "\"atlassian-domain-verification=i5vXtUlfCr5uYH9ZZv/Fe8izmcP/0jEfI9HASjZTMXc15yb9R2T8rG9C2Tat5meE\"",
                "\"google-site-verification=bWr5LYyqTi7kvC7m0sjyzhmtIwsIDctup2B6TCBk6Yg\"",
                "\"docker-verification=6271b075-24d4-487b-a075-c93d39ef9ec5\"",
                "\"google-site-verification=ZwN6v6FT6byw7eqiZlNpH2abKmOGpAkUi87f7HPeoxo\"",
                "\"slack-domain-verification=3lhXyrdH3XETu6QxmQ2RBsyL5FaH7f6pewXLnJlO\"",
                "\"v=spf1 include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:_spf.salesforce.com include:helpscoutemail.com include:mktomail.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 include:spfo.gusto.co\" \"m ip4:131.153.39.31 ip4:216.236.236.80 ip4:205.220.176.180 ip4:72.32.205.160 ip4:50.56.162.245 ip4:72.32.98.113 ip4:72.32.40.103 ip4:162.142.76.100 ip4:162.142.76.145 ip4:162.142.76.94 ip4:162.142.76.128 ip4:162.142.76.27 ip4:74.81.189.27 include:sendgrid\" \".net -all\"",
                "\"cursor-domain-verification-9r4p3r=BKpAFMHwtr6XfmpTzdk0xZFiH\"",
                "\"ca3-f0d74341513045679ff3429b306c9eb3\"",
                "\"zoom-domain-verification=c038d222-2cb8-4926-9584-0a79f192a24d\"",
                "\"google-site-verification=3oOlLGIzwh66x38xSTHl0VyWcVmD1tMNp_JJ23RFM3s\"",
                "\"google-site-verification=TWyxRlAnTGGVcGWLdjv8bqRRPm9hD4CPsOyEvBxIVhA\"",
                "\"atlassian-domain-verification=OaNVUgOTD6rGfTjtbHPGYBTC7Pwc9tdroiGdFUujMiUC69DVeMNLJkypkXVTTLMN\"",
                "\"CC2B1E96EA\"",
                "\"facebook-domain-verification=l8xc0ps6fk14xlha5mi4qcvd5qdytw\"",
                "\"apple-domain-verification=xXaKSMkfwPN1SQeF\"",
                "\"ps-cd-verification=4169d617-a105-4bea-a4b9-9c322a057f65\"",
                "\"MS=ms18451608\"",
                "\"dropbox-domain-verification=ps5f543jwb3a\"",
                "\"google-site-verification=9swwvOQ0lqCijiFHMobzSuFKeIpHySgl8WTjSLAQ_S4\"",
                "\"google-site-verification=eS4gBYgSgxLlVwdbCbQQrj2EelN7hW7mUTorT-nMOu8\"",
                "\"openai-domain-verification=dv-gCcbQe6LXqs68jHZwyDPdbdU\"",
                "\"blitz=mu-67aec944-68daebac-dc1d7920-49219294\"",
                "\"google-site-verification=jKMq4FVYCFjNRZ6oNUk3UF8hVc_kEOrw-FnykG5Fynw\"",
                "\"canva-site-verification=I8JgyA6l24Esoc5rdIiOow\"",
                "\"gc-ai-domain-verification-bz78p6=CH8f8aqD3xPmrtaIk7fEeKuVG\"",
                "\"google-site-verification=ATS7gUSlMWZfvoRQaYBBiD_daXZeHHRk-ZL_h1ExCUg\"",
                "\"postman-domain-verification=7472ac7a1c70c17fae394b698c3ff5bcb3db996918b030fe0720de1b4b6f46741bc6366b8ff4bce6019ee2b1e1231c6e022926ce80b32db0b25f14b3bb16951e\"",
                "\"notion-domain-verification=HlOlpFi0sz1M2b5TSuZHCZSWOqHR7wKZYZNOZyyN4H6\"",
                "\"google-site-verification=1LJMGc7XoQGTrbBeljxPmf0F3WuzFeU4mUMxMhnoy-o\"",
                "\"gamma-domain-verification-3j45tv=QrkthPLtwU5IvIbLdBXlDm1fF\""
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            "NS": [
                "reese.ns.cloudflare.com.",
                "anahi.ns.cloudflare.com."
            ],
            "SOA": [
                "anahi.ns.cloudflare.com. dns.cloudflare.com. 2411710913 10000 2400 604800 1800"
            ],
            "CAA": [],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "172.64.154.69",
            "104.18.33.187"
        ],
        "ipv6": [
            "2606:4700:4405::ac40:9a45",
            "2606:4700:4406::6812:21bb"
        ]
    },
    "mail": {
        "spf": "v=spf1 include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com include:_spf.salesforce.com include:helpscoutemail.com include:mktomail.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 include:spfo.gusto.com ip4:131.153.39.31 ip4:216.236.236.80 ip4:205.220.176.180 ip4:72.32.205.160 ip4:50.56.162.245 ip4:72.32.98.113 ip4:72.32.40.103 ip4:162.142.76.100 ip4:162.142.76.145 ip4:162.142.76.94 ip4:162.142.76.128 ip4:162.142.76.27 ip4:74.81.189.27 include:sendgrid.net -all",
        "dmarc": "v=DMARC1; p=reject; aspf=r; rua=mailto:59f93a6656ad426488e82a36b65b8e06@dmarc-reports.cloudflare.net;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.gusto.com",
        "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8VvTm/4ucStS/jltGA6LCc4fA/KC9Ayi0Nqnkdq681vTsyDga7It3ayGs2ILP/UMRM4t7fH50FQDCTfE48bckn+WJuISzTc0Fz/KyN3MfuhOboCYrwlRTSJiw0ATFuSKpDnWQ9gmKklPnfmRvbGQ3fLImbo4000SHRJWvo9q7wwIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 8,
            "final": "-all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "v=BIMI1; l=https://assets.gusto.com/static/emails/logos/gusto-logo-bimi.svg; a=https://assets.gusto.com/static/emails/logos/gusto-vmc.pem",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "",
        "propagation": {
            "consistent": true,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "104.18.33.187",
                        "172.64.154.69"
                    ],
                    "time_ms": 48.46
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "104.18.33.187",
                        "172.64.154.69"
                    ],
                    "time_ms": 18.65
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "104.18.33.187",
                        "172.64.154.69"
                    ],
                    "time_ms": 25.03
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "104.18.33.187",
                        "172.64.154.69"
                    ],
                    "time_ms": 30.65
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "104.18.33.187",
                        "172.64.154.69"
                    ],
                    "time_ms": 43.91
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Google Trust Services",
        "subject": "gusto.com",
        "valid_from": "2026-07-15T08:29:00-05:00",
        "valid_to": "2026-10-13T09:28:57-05:00",
        "days_remaining": 64,
        "san": [
            "gusto.com",
            "cofounder2.app.gusto.com",
            "*.cofounder2.app.gusto.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_256_GCM_SHA384"
    },
    "http": {
        "url": "https://gusto.com/",
        "status": "HTTP/2 403 ",
        "http_version": "3",
        "headers": {
            "date": "Mon, 10 Aug 2026 06:10:11 GMT",
            "content-type": "text/html; charset=UTF-8",
            "content-length": "5357",
            "accept-ch": "Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA",
            "cf-mitigated": "challenge",
            "content-security-policy": "default-src 'none'; script-src 'nonce-595vwCNg0Fopf2E0NKngto' 'unsafe-eval' https://challenges.cloudflare.com; script-src-attr 'none'; style-src 'unsafe-inline'; img-src 'self' https://challenges.cloudflare.com; connect-src 'self' https://challenges.cloudflare.com; frame-src 'self' https://challenges.cloudflare.com blob:; child-src 'self' https://challenges.cloudflare.com blob:; worker-src blob:; form-action http: https:; base-uri 'self'",
            "server": "cloudflare",
            "critical-ch": "Sec-CH-UA-Bitness, Sec-CH-UA-Arch, Sec-CH-UA-Full-Version, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Platform, Sec-CH-UA, UA-Bitness, UA-Arch, UA-Full-Version, UA-Mobile, UA-Model, UA-Platform-Version, UA-Platform, UA",
            "cross-origin-embedder-policy": "require-corp",
            "cross-origin-opener-policy": "same-origin",
            "cross-origin-resource-policy": "same-origin",
            "origin-agent-cluster": "?1",
            "permissions-policy": "accelerometer=(),camera=(),clipboard-read=(),clipboard-write=(),geolocation=(),gyroscope=(),hid=(),magnetometer=(),microphone=(),payment=(),publickey-credentials-get=(),screen-wake-lock=(),serial=(),sync-xhr=(),usb=(),xr-spatial-tracking=*",
            "referrer-policy": "same-origin",
            "server-timing": "chlray;desc=\"a28cd6041e7106f5\"",
            "x-content-type-options": "nosniff",
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