{
    "ok": true,
    "domain": "smallpdf.com",
    "generated_at": "2026-08-09T07:49:04-05:00",
    "cache": {
        "hit": true,
        "ttl": 0
    },
    "score": {
        "total": 81,
        "label": "Good",
        "categories": {
            "dns": 65,
            "mail": 100,
            "security": 73,
            "network": 65,
            "availability": 100
        },
        "category_weights": {
            "dns": 25,
            "mail": 20,
            "security": 25,
            "network": 10,
            "availability": 20
        },
        "items": [
            {
                "category": "dns",
                "title": "IPv4 (A)",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "4 IPv4 address(es) detected."
            },
            {
                "category": "dns",
                "title": "IPv6 (AAAA)",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "0 IPv6 address(es) detected."
            },
            {
                "category": "dns",
                "title": "Name server redundancy",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "4 NS record(s); 2 or more required."
            },
            {
                "category": "dns",
                "title": "SOA record",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0,
                "detail": "Authoritative zone record."
            },
            {
                "category": "dns",
                "title": "DNSSEC chain",
                "max_points": 15,
                "earned_points": 0,
                "lost_points": 15,
                "detail": "Both DS and DNSKEY are required."
            },
            {
                "category": "dns",
                "title": "CAA policy",
                "max_points": 5,
                "earned_points": 5,
                "lost_points": 0,
                "detail": "Certificate authority restriction."
            },
            {
                "category": "dns",
                "title": "DNS propagation",
                "max_points": 10,
                "earned_points": 0,
                "lost_points": 10,
                "detail": "Agreement between public resolvers."
            },
            {
                "category": "mail",
                "title": "MX records",
                "max_points": 20,
                "earned_points": 20,
                "lost_points": 0,
                "detail": "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": "156 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": 8,
                "lost_points": 27,
                "detail": "2 of 9 evaluated headers detected."
            },
            {
                "category": "network",
                "title": "PTR reverse DNS",
                "max_points": 30,
                "earned_points": 30,
                "lost_points": 0,
                "detail": "PTR: server-108-157-142-71.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": "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": "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": "156 day(s) remaining.",
                "category": "security",
                "max_points": 55,
                "earned_points": 55,
                "lost_points": 0
            },
            {
                "level": "ok",
                "title": "Certificate lifetime",
                "detail": "Full points require at least 30 days remaining.",
                "category": "security",
                "max_points": 10,
                "earned_points": 10,
                "lost_points": 0
            },
            {
                "level": "warning",
                "title": "HTTP security headers",
                "detail": "2 of 9 evaluated headers detected.",
                "category": "security",
                "max_points": 35,
                "earned_points": 8,
                "lost_points": 27
            },
            {
                "level": "ok",
                "title": "PTR reverse DNS",
                "detail": "PTR: server-108-157-142-71.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": [
                "108.157.142.71",
                "108.157.142.33",
                "108.157.142.2",
                "108.157.142.78"
            ],
            "AAAA": [],
            "CNAME": [],
            "MX": [
                "10 alt4.aspmx.l.google.com.",
                "10 alt3.aspmx.l.google.com.",
                "5 alt2.aspmx.l.google.com.",
                "5 alt1.aspmx.l.google.com.",
                "1 aspmx.l.google.com."
            ],
            "TXT": [
                "\"google-site-verification=Z9Jvfe8bbTIO1MknSfmcUxX5KQr2roxPS_EOMdA5Rss\"",
                "\"apple-domain-verification=Ze7VGb9X4V9gLjDq\"",
                "\"MS=D82821EC5DC0D62EC6EF745FBCD2D5C6763132F2\"",
                "\"google-site-verification=75Ay89P1ISyDh9WxmFNfBLi9zmqO9X4I6kdttoXLk1E\"",
                "\"google-site-verification=N8tu1wUb5iGleZ-QGachAYf1MAfLk-lrJ_gCM3lb9dg\"",
                "\"apple-domain-verification=byPiw0nB93vniGcg\"",
                "\"yandex-verification: 1aa895be80b1279\"",
                "\"google-site-verification=jLQrKahc79wtkp_rti6g48lO5i7WdZtuv-EbRM0d748\"",
                "\"MS=ms97348809\"",
                "\"globalsign-domain-verification=1FE18C23502E1C6B1D06F26BCC5A8104\"",
                "\"yahoo-verification-key=0ZSqTbomVgUqnef6O0FvOBQF9wm3dfw4mYPze/wdRJM=\"",
                "\"globalsign-domain-verification=a5c95ae1727ea3b95648945707db2326\"",
                "\"linkedin-site-verification=009acd3f-31bb-43e8-a4d2-9d68a3221b9b\"",
                "\"google-site-verification=5zJBbVnSgFQHIftNw1nf4nmP1dYaOvt7GLWMzUgc1Wo\"",
                "\"globalsign-domain-verification=D99FC250DADE1BDFAD2515617017102A\"",
                "\"v=spf1 mx include:_spf.google.com include:sendgrid.net ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:7328340.spf05.hubspotemail.net include:spf.mandrillapp.com ip4:198.2.145.123  ~all\"",
                "\"globalsign-domain-verification=4A5FFA64F18B12D730361062BD6A068A\"",
                "\"MS=ms57364651\"",
                "\"atlassian-domain-verification=4st/VxgUBQMEyqZppxa4/x8zPQcHXvPVwW3OCOsAqtim6UahHglfKHAz8UGLbCkp\"",
                "\"openai-domain-verification=dv-9mb9N40hfuZ0wBHWH9s1bC6l\""
            ],
            "NS": [
                "ns-928.awsdns-52.net.",
                "ns-264.awsdns-33.com.",
                "ns-1687.awsdns-18.co.uk.",
                "ns-1082.awsdns-07.org."
            ],
            "SOA": [
                "ns-928.awsdns-52.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400"
            ],
            "CAA": [
                "0 issue \"digicert.com\"",
                "0 issue \"awstrust.com\"",
                "0 issue \"amazontrust.com\"",
                "0 issue \"amazon.com\"",
                "0 issue \"pki.goog\"",
                "0 issue \"amazonaws.com\"",
                "0 issue \"globalsign.com\"",
                "0 issue \"letsencrypt.org\""
            ],
            "DS": [],
            "DNSKEY": [],
            "RRSIG": [],
            "NSEC": [],
            "NSEC3": [],
            "SRV": [],
            "NAPTR": [],
            "TLSA": [],
            "SSHFP": []
        },
        "ipv4": [
            "108.157.142.71",
            "108.157.142.33",
            "108.157.142.2",
            "108.157.142.78"
        ],
        "ipv6": []
    },
    "mail": {
        "spf": "v=spf1 mx include:_spf.google.com include:sendgrid.net ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 include:7328340.spf05.hubspotemail.net include:spf.mandrillapp.com ip4:198.2.145.123  ~all",
        "dmarc": "v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@smallpdf.com,mailto:re+s7fs3gmxvsi@dmarc.postmarkapp.com,mailto:dmarc_agg@vali.email; sp=quarantine; adkim=r; aspf=r;",
        "dkim_selector": "google",
        "dkim_host": "google._domainkey.smallpdf.com",
        "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAj39UwsdsoQa+217SPicSKmajr+gY6QjG3Z3xguvmbIUJpr2ulFetv9Tw1Bwy0SMxw0Ox+77Hm+OSsM66hsZkYKbbG9CNC1MHU2zfQTbD9fPOh4tiPeVPgv1aK0S8bXfDOPGPGtI6pwyGAZtNHEI1yjXBg2HHyEzXI1EjYVjazZZKVe9BNGxPG3xcsrGRNsDK1GLr3jNlDSU5ZZDsJMQFJRGzhVrQRdpMDi5DQ8r6CglqDFURLM/E0FHQJXgkPrmFfy1Od3xd7ZKonFAWWDBlOOGKeqCPPn1+hOEN/utz9vHaRThYc/sbQtLpTPZ/ey5VAq7IBEq+vI8Tc0ACxLAMbQIDAQAB",
        "spf_analysis": {
            "valid": true,
            "lookups": 5,
            "final": "~all",
            "message": "Within the estimated limit"
        },
        "dmarc_analysis": {
            "valid": true,
            "policy": "quarantine"
        },
        "bimi": "v=BIMI1; l=https://smallpdf.com/assets/bimi/smallpdf.svg;",
        "mta_sts": "v=STSv1; id=2026062901",
        "tls_rpt": "v=TLSRPTv1; rua=mailto:devops@smallpdf.com"
    },
    "advanced": {
        "ptr": "server-108-157-142-71.mci50.r.cloudfront.net",
        "propagation": {
            "consistent": false,
            "results": [
                {
                    "provider": "Google",
                    "server": "8.8.8.8",
                    "result": [
                        "13.227.87.115",
                        "13.227.87.121",
                        "13.227.87.50",
                        "13.227.87.99"
                    ],
                    "time_ms": 49.03
                },
                {
                    "provider": "Cloudflare",
                    "server": "1.1.1.1",
                    "result": [
                        "13.225.205.129",
                        "13.225.205.2",
                        "13.225.205.44",
                        "13.225.205.80"
                    ],
                    "time_ms": 18.96
                },
                {
                    "provider": "Quad9",
                    "server": "9.9.9.9",
                    "result": [
                        "13.225.222.113",
                        "13.225.222.19",
                        "13.225.222.68",
                        "13.225.222.78"
                    ],
                    "time_ms": 59.22
                },
                {
                    "provider": "OpenDNS",
                    "server": "208.67.222.222",
                    "result": [
                        "13.227.87.115",
                        "13.227.87.121",
                        "13.227.87.50",
                        "13.227.87.99"
                    ],
                    "time_ms": 77.49
                },
                {
                    "provider": "AdGuard",
                    "server": "94.140.14.14",
                    "result": [
                        "108.157.142.2",
                        "108.157.142.33",
                        "108.157.142.71",
                        "108.157.142.78"
                    ],
                    "time_ms": 142.73
                }
            ]
        }
    },
    "ssl": {
        "available": true,
        "issuer": "Amazon",
        "subject": "smallpdf.com",
        "valid_from": "2026-06-28T19:00:00-05:00",
        "valid_to": "2027-01-12T17:59:59-06:00",
        "days_remaining": 156,
        "san": [
            "smallpdf.com",
            "*.smallpdf.com"
        ],
        "protocol": "TLSv1.3",
        "cipher": "TLS_AES_128_GCM_SHA256"
    },
    "http": {
        "url": "https://smallpdf.com/",
        "status": "HTTP/2 200 ",
        "http_version": "3",
        "headers": {
            "content-type": "text/html; charset=utf-8",
            "content-length": "434003",
            "date": "Sun, 09 Aug 2026 12:48:56 GMT",
            "etag": "W/\"69f53-emWgir3S9c/+OyjZy7uQMIi2fac\"",
            "x-powered-by": "Express",
            "x-frame-options": "sameorigin",
            "cache-control": "public, max-age=300, must-revalidate",
            "x-xss-protection": "1",
            "strict-transport-security": "max-age=15552000",
            "x-cache": "Miss from cloudfront",
            "via": "1.1 55935195324044c1c5c95bf8d477e9d4.cloudfront.net (CloudFront)",
            "x-amz-cf-pop": "MCI50-P1",
            "alt-svc": "h3=\":443\"; ma=86400",
            "x-amz-cf-id": "YG_bnbHsXnxzglLTm-2sAqWvKA1Rk1Cco9LrzGm3R7K-6K9K_IHeHg=="
        },
        "security_checks": {
            "strict-transport-security": true,
            "content-security-policy": false,
            "x-content-type-options": false,
            "x-frame-options": true,
            "referrer-policy": false,
            "permissions-policy": false,
            "cross-origin-opener-policy": false,
            "cross-origin-embedder-policy": false,
            "cross-origin-resource-policy": false
        },
        "server": "",
        "powered_by": "Express"
    },
    "webpage": {
        "url": "https://smallpdf.com/",
        "title": "Smallpdf - A Free Solution to all your PDF Problems",
        "description": "Smallpdf - the platform that makes it super easy to convert and edit all your PDF files. Solving all your PDF problems in one place - and yes, free.",
        "success": true,
        "error": "",
        "status": 200
    },
    "network": {
        "108.157.142.71": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "108.157.142.33": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "108.157.142.2": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        },
        "108.157.142.78": {
            "success": false,
            "country": "",
            "region": "",
            "city": "",
            "asn": "",
            "organization": "",
            "isp": ""
        }
    },
    "smtp": {
        "host": "alt4.aspmx.l.google.com",
        "ports": [
            {
                "port": 25,
                "open": false,
                "time_ms": 0.8,
                "banner": "",
                "error": "Network is unreachable"
            },
            {
                "port": 465,
                "open": false,
                "time_ms": 4020.8,
                "banner": "",
                "error": "Connection timed out"
            },
            {
                "port": 587,
                "open": false,
                "time_ms": 4009.1,
                "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": 92.92
}