{ "ok": true, "domain": "buzzsumo.com", "generated_at": "2026-08-09T07:42:01-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 87, "label": "Good", "categories": { "dns": 95, "mail": 90, "security": 73, "network": 70, "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": "3 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "3 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": 15, "lost_points": 0, "detail": "DS and DNSKEY detected." }, { "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": "1 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": "66 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": 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": 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": "3 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "3 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": "ok", "title": "DNSSEC chain", "detail": "DS and DNSKEY detected.", "category": "dns", "max_points": 15, "earned_points": 15, "lost_points": 0 }, { "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": "1 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": "66 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": "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": "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": [ "172.67.73.94", "104.26.4.17", "104.26.5.17" ], "AAAA": [ "2606:4700:20::681a:511", "2606:4700:20::ac43:495e", "2606:4700:20::681a:411" ], "CNAME": [], "MX": [ "1 buzzsumo-com.mail.protection.outlook.com." ], "TXT": [ "\"google-site-verification=OgAJZUogUA-rjQNqE5m0uNd3tGE_6Rf0Cm0ylla4TE4\"", "\"v=spf1 include:spf.mtasv.net include:spf.mailjet.com include:_spf.google.com include:25938628.spf01.hubspotemail.net include:spf.protection.outlook.com ~all\"", "\"MS=ms38609505\"", "\"box-domain-verification=d0369ff4a0618ff19f1d7f9c98c9bb65203e8a33febfc79cf2df6db7eab0fcba\"", "\"google-site-verification=F_0XAnBv9MR0nSaSZ3v2vctyyTmXGnF3GmzZetd8uAw\"" ], "NS": [ "max.ns.cloudflare.com.", "sima.ns.cloudflare.com." ], "SOA": [ "max.ns.cloudflare.com. dns.cloudflare.com. 2411325744 10000 2400 604800 1800" ], "CAA": [], "DS": [ "2371 13 2 B6248CA5BEE38C04CE27D9565AC804CF4F912B2108BE88AEDD6751EC 22511515" ], "DNSKEY": [ "256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==", "257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==" ], "RRSIG": [ "NS 13 2 86400 20260810134151 20260808114151 34505 buzzsumo.com. Nrni7VlBcv3V98aP1Inc3U40v+hj3uTETVXhiyqCn9MBN1M+I56RHPcA gqwqNXqazhVpVCfETptgbFeIncrQew==", "MX 13 2 300 20260810134151 20260808114151 34505 buzzsumo.com. QpyqXtVX1fUF/mWulHjP3l/GJiQeUDXZPn1ce1rmDqKqwZtjmmAICEk9 Sx4fLPtNrQj4E2WVXJXodZHsVvB9Iw==", "DS 13 2 86400 20260814020608 20260807005608 41446 com. xs6U1dcbW3WqyxdQXuE/h2QMUiCFkxyVVJZjnOQGmDqKDN0v2UaWldmC Ai4Zc6bp9nvrZdUkaNT/Ss38ZOg4yA==" ], "NSEC": [ "\\000.buzzsumo.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA" ], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "172.67.73.94", "104.26.4.17", "104.26.5.17" ], "ipv6": [ "2606:4700:20::681a:511", "2606:4700:20::ac43:495e", "2606:4700:20::681a:411" ] }, "mail": { "spf": "v=spf1 include:spf.mtasv.net include:spf.mailjet.com include:_spf.google.com include:25938628.spf01.hubspotemail.net include:spf.protection.outlook.com ~all", "dmarc": "v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:a4e13eac9e304098ad472e06aae6d2a2@dmarc-reports.cloudflare.net,mailto:bsumo_serv_admin+dmarc@buzzsumo.com", "dkim_selector": "selector1", "dkim_host": "selector1._domainkey.buzzsumo.com", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArdbjg29gaJcUyC3pqjjLKKa6vcW2qBZnUEXsj5A3v9QURLmpEqrabZuaBWCq125HY2nCbCJFhcYZlGs5/wkJJFFVr9qMe6zXk9g15esJQJzfqHOcnuOyp4TaPmFaQB0wpxKbfXHKDLHr4Z7ApBouspc5cukH5BKYwl0jpyybqU38v0nGCtSFsxx5k+PmXRTa6EBd5R+nTlpFfvOL0agGWbjb7cKWdvk7lXJ6t+KR9BDwo7EDXXLJw7TFihBrSpvOYg0a3iuSzOc04IoFoSYwkfJZJ8gK08Zk86dc6LCJjtdP1vp9hTNpsQ3baOvTC+WpPUIuwGIyt7k1FzRTSpbl9QIDAQAB;", "spf_analysis": { "valid": true, "lookups": 5, "final": "~all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "quarantine" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "104.26.4.17", "104.26.5.17", "172.67.73.94" ], "time_ms": 59.62 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "104.26.4.17", "104.26.5.17", "172.67.73.94" ], "time_ms": 45.3 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "104.26.4.17", "104.26.5.17", "172.67.73.94" ], "time_ms": 45.62 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "104.26.4.17", "104.26.5.17", "172.67.73.94" ], "time_ms": 96.51 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "104.26.4.17", "104.26.5.17", "172.67.73.94" ], "time_ms": 174.24 } ] } }, "ssl": { "available": true, "issuer": "Google Trust Services", "subject": "buzzsumo.com", "valid_from": "2026-07-16T11:57:31-05:00", "valid_to": "2026-10-14T12:57:11-05:00", "days_remaining": 66, "san": [ "buzzsumo.com", "*.buzzsumo.com", "stage.dev.k8s.buzzsumo.com", "admin.stage.dev.k8s.buzzsumo.com", "*.dev.k8s.buzzsumo.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://buzzsumo.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Sun, 09 Aug 2026 12:41:52 GMT", "content-type": "text/html; charset=UTF-8", "server": "cloudflare", "access-control-allow-origin": "*", "content-security-policy": "frame-ancestors 'self' *.brandwatch.com; object-src 'none';", "link": "; rel=shortlink", "nel": "{\"report_to\":\"cf-nel\",\"success_fraction\":0.0,\"max_age\":604800}", "cf-cache-status": "DYNAMIC", "strict-transport-security": "max-age=15552000; includeSubDomains; preload", "report-to": "{\"group\":\"cf-nel\",\"max_age\":604800,\"endpoints\":[{\"url\":\"https://a.nel.cloudflare.com/report/v4?s=pXAqotn3VwyybsDOq48ZSDv8uijUaPbDvXDwVO6JjTNeydtwxZsCVHQIBAVF7MG3uHps4ci3JNkHUcj2jbavh8aYrBZz5wzYHslynj%2Bct%2F50FrABP6IyHYcsu6gZLA%3D%3D\"}]}", "cf-ray": "a286d6665bd672e8-ORD" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "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": "cloudflare", "powered_by": "" }, "webpage": { "url": "https://buzzsumo.com/", "title": "BuzzSumo | Media Mentions In Minutes. Content Ideas For Days.", "description": "Get the inside scoop on your industry with BuzzSumo. From tracking mentions, to finding creative content ideas, we've got you covered. Let's make your brand the talk of the town.", "success": true, "error": "", "status": 206 }, "network": { "172.67.73.94": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "104.26.4.17": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "104.26.5.17": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "buzzsumo-com.mail.protection.outlook.com", "ports": [ { "port": 25, "open": false, "time_ms": 37.4, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4055.2, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4011.2, "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": 119.93 }