{
    "ok": true,
    "domain": "sendgrid.net",
    "generated_at": "2026-08-08T22:36:38-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 69,
        "label": "Fair",
        "categories": {
            "dns": 65,
            "mail": 90,
            "security": 65,
            "network": 65,
            "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": "6 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": "6 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": "2 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": "126 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: ec2-3-220-122-174.compute-1.amazonaws.com"
            },
            {
                "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": 0,
                "lost_points": 40,
                "detail": "HTTP/1.1 404 Not Found"
            },
            {
                "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": "6 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": "6 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": "2 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": "126 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: ec2-3-220-122-174.compute-1.amazonaws.com",
                "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": "error",
                "title": "HTTP response",
                "detail": "HTTP/1.1 404 Not Found",
                "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": [
                "3.220.122.174",
                "18.224.219.179",
                "54.158.174.185",
                "3.231.179.208",
                "3.20.87.51",
                "3.20.194.73"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 mx.sendgrid.net.",
                "20 mx2.sendgrid.net."
            ],
            "TXT": [
                "\"6ifgg010qg6mquqt5lodun8qds\"",
                "\"v=spf1 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:159.183.0.0/16 ip4:134.128.64.0/19 ip4:134.128.96.0/19 include:ab.sendgrid.net ~all\"",
                "\"5m3r13nvilmq8tgf5foh6ki1uv\"",
                "\"google-site-verification=1UEf8ey-RibUjY6gnpqIZFjWNqMknmeyeHz1zTmj0DE\"",
                "\"i52uk89q4nfe1mpgqv5qsmsj3j.\"",
                "\"yahoo-verification-key=TrufSXS+dfythA5AIMbLUnkX38rjr1HR93gbqHUSY74=\"",
                "\"p8bnb2lp424dkl3c4io1aemiei\"",
                "\"l8bqrl0r33q4joeb79q8uuj009\"",
                "\"utjqqjvmeadmlva41ectre9gd3\"",
                "\"mailru-verification: 2e3995fa8a7d00e0\"",
                "\"cemmvnbghpsb500d7c19e35fgm\""
            ],
            "NS": [
                "ns13.dnsmadeeasy.com.",
                "ns14.dnsmadeeasy.com.",
                "ns12.dnsmadeeasy.com.",
                "ns15.dnsmadeeasy.com.",
                "ns10.dnsmadeeasy.com.",
                "ns11.dnsmadeeasy.com."
            ],
            "SOA": [
                "ns10.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2011298717 14400 600 1728000 180"
            ],
            "CAA": [
                "0 issue \"godaddy.com\"",
                "0 issue \"letsencrypt.org\"",
                "0 issue \"amazonaws.com\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "3.220.122.174",
            "18.224.219.179",
            "54.158.174.185",
            "3.231.179.208",
            "3.20.87.51",
            "3.20.194.73"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:159.183.0.0/16 ip4:134.128.64.0/19 ip4:134.128.96.0/19 include:ab.sendgrid.net ~all",
        "dmarc": "v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc_agg@vali.email; rf=afrf; pct=100",
        "dkim_selector": "s1",
        "dkim_host": "s1._domainkey.sendgrid.net",
        "dkim": "k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwzNsUhqO6qMM/botbDwUHE/zCmOmgl66HSOVP44Xc6/XG5UlgaYleREQHLjxYGpZVPPwHpotux3BquJY8RloNy+mCnVAfx9xsqE+ENCU5/Qr9AbeFLO/ckUARaNUlSaLuxs70Cs2raA+RL3I5Info7doju0Fy1RUyHOZMGmGbmRSFaZd6VQ3qjmv+IT8AOYjiOqr/Izr8FW4PUkqKSY+120gZexOW7kBhHesWdsS9YjDePXCZ40uwKr5y9NMs+hQG4rnrMoCMS4QUCqucpL/saG4kUt+ocEISWx7dOIZR22AU4CfVzJsc1iFA7e8HWPUj5nWKDLlR1zjr7YFA6n43wIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 1,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "reject"
        },
        "bimi": "",
        "mta_sts": "",
        "tls_rpt": ""
    },
    "advanced": {
        "ptr": "ec2-3-220-122-174.compute-1.amazonaws.com",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "44.228.207.192",
                        "44.245.147.253",
                        "52.39.173.225"
                    ],
                    "time_ms": 34.57
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "18.224.219.179",
                        "3.20.194.73",
                        "3.20.87.51",
                        "3.220.122.174",
                        "3.231.179.208",
                        "54.158.174.185"
                    ],
                    "time_ms": 18.93
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "44.228.207.192",
                        "44.245.147.253",
                        "52.39.173.225"
                    ],
                    "time_ms": 23.24
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "18.224.219.179",
                        "3.20.194.73",
                        "3.20.87.51",
                        "3.220.122.174",
                        "3.231.179.208",
                        "54.158.174.185"
                    ],
                    "time_ms": 24.86
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "18.224.219.179",
                        "3.20.194.73",
                        "3.20.87.51",
                        "3.220.122.174",
                        "3.231.179.208",
                        "54.158.174.185"
                    ],
                    "time_ms": 42.2
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "GoDaddy.com, Inc.",
        "subject": "*.sendgrid.net",
        "valid_from": "2026-05-29T06:43:01-05:00",
        "valid_to": "2026-12-13T05:43:01-06:00",
        "days_remaining": 126,
        "san": [
            "*.sendgrid.net",
            "sendgrid.net"
        ],
        "protocol": "TLSv1.2",
        "cipher": "ECDHE-RSA-AES128-GCM-SHA256"
    },
    "http": {
        "url": "https://sendgrid.net/",
        "status": "HTTP/1.1 404 Not Found",
        "http_version": "2",
        "headers": {
            "server": "nginx",
            "date": "Sun, 09 Aug 2026 03:36:30 GMT",
            "content-type": "text/html",
            "content-length": "146",
            "connection": "keep-alive"
        },
        "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": "nginx",
        "powered_by": ""
    },
    "webpage": {
        "url": "https://sendgrid.net/",
        "title": "404 Not Found",
        "description": "",
        "success": true,
        "error": "",
        "status": 404
    },
    "network": {
        "3.220.122.174": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "18.224.219.179": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "54.158.174.185": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "3.231.179.208": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "mx.sendgrid.net",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 8.6,
                "banner": "",
                "error": "Connection refused"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4021.9,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4020,
                "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": 137.18
}