{ "ok": true, "domain": "seobook.com", "generated_at": "2026-08-10T18:11:10-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 76, "label": "Good", "categories": { "dns": 80, "mail": 65, "security": 73, "network": 85, "availability": 80 }, "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": "1 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "1 IPv6 address(es) detected." }, { "category": "dns", "title": "Name server redundancy", "max_points": 20, "earned_points": 20, "lost_points": 0, "detail": "5 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": "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": 0, "lost_points": 25, "detail": "DMARC policy not found." }, { "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": "89 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: seobook.com" }, { "category": "network", "title": "IPv4 diversity", "max_points": 35, "earned_points": 20, "lost_points": 15, "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/1.1 200 OK" }, { "category": "availability", "title": "HTTPS final URL", "max_points": 20, "earned_points": 0, "lost_points": 20, "detail": "Final URL is not 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": "1 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "1 IPv6 address(es) detected.", "category": "dns", "max_points": 10, "earned_points": 10, "lost_points": 0 }, { "level": "ok", "title": "Name server redundancy", "detail": "5 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": "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": "error", "title": "DMARC", "detail": "DMARC policy not found.", "category": "mail", "max_points": 25, "earned_points": 0, "lost_points": 25 }, { "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": "89 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: seobook.com", "category": "network", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "warning", "title": "IPv4 diversity", "detail": "Two or more IPv4 addresses receive full points.", "category": "network", "max_points": 35, "earned_points": 20, "lost_points": 15 }, { "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/1.1 200 OK", "category": "availability", "max_points": 40, "earned_points": 40, "lost_points": 0 }, { "level": "error", "title": "HTTPS final URL", "detail": "Final URL is not HTTPS.", "category": "availability", "max_points": 20, "earned_points": 0, "lost_points": 20 } ] }, "dns": { "records": { "A": [ "45.79.65.120" ], "AAAA": [ "2600:3c01::f03c:91ff:fe3b:f4ff" ], "CNAME": [], "MX": [ "10 seobook.com." ], "TXT": [ "\"v=spf1 a mx ip4:45.79.65.120 -all\"", "\"google-site-verification=hN-ngnOLbM7FOlOTNyA8-gobdTwmv9LsBXbK6ZmKY5g\"" ], "NS": [ "ns1.linode.com.", "ns5.linode.com.", "ns4.linode.com.", "ns2.linode.com.", "ns3.linode.com." ], "SOA": [ "ns1.linode.com. SEOBOOK\\.COM.domainsbyproxy.com. 2021000005 14400 14400 1209600 86400" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "45.79.65.120" ], "ipv6": [ "2600:3c01::f03c:91ff:fe3b:f4ff" ] }, "mail": { "spf": "v=spf1 a mx ip4:45.79.65.120 -all", "dmarc": "", "dkim_selector": "default", "dkim_host": "default._domainkey.seobook.com", "dkim": "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCyc+JZsiu/+L3FMJUSIgrog0mffNPU53lwcD5tATw4mw6ellOcnUe20Rb12zZcSpeSHNNwt+YVmrsCQbb1JP6DsKFTiFN49+U3F3Ssq8JPfKzufGFfZR2UjsoXNnWgG9LVYLxhi1VyVNRfMUYNyisJdS1x2kj16oeX6IGpUKttWwIDAQAB", "spf_analysis": { "valid": true, "lookups": 2, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": false, "policy": "" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "seobook.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "45.79.65.120" ], "time_ms": 95.38 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "45.79.65.120" ], "time_ms": 89.81 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "45.79.65.120" ], "time_ms": 46.59 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "45.79.65.120" ], "time_ms": 90.21 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "45.79.65.120" ], "time_ms": 90.68 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "seobook.com", "valid_from": "2026-08-10T06:02:02-05:00", "valid_to": "2026-11-08T05:02:01-06:00", "days_remaining": 89, "san": [ "seobook.com", "www.seobook.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "http://www.seobook.com/", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "location": "http://www.seobook.com/", "content-type": "text/html; charset=utf-8", "date": "Mon, 10 Aug 2026 23:11:09 GMT", "server": "Apache", "cache-control": "public, max-age=21600", "expires": "Sun, 19 Nov 1978 05:00:00 GMT", "x-powered-by": "PHP/5.6.40", "x-drupal-cache": "MISS", "content-language": "en_US", "x-frame-options": "SAMEORIGIN", "x-content-type-options": "nosniff", "x-generator": "Drupal 7 (http://drupal.org)", "link": "; rel=\"canonical\",; rel=\"shortlink\"", "vary": "Accept-Encoding,Origin", "upgrade": "h2,h2c", "connection": "Upgrade", "etag": "\"1786403469-0\"", "last-modified": "Mon, 10 Aug 2026 23:11:09 GMT" }, "security_checks": { "strict-transport-security": false, "content-security-policy": false, "x-content-type-options": true, "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": "Apache", "powered_by": "PHP/5.6.40" }, "webpage": { "url": "http://www.seobook.com/", "title": "SEObook: We Love SEO", "description": "", "success": true, "error": "", "status": 200 }, "network": { "45.79.65.120": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "seobook.com", "ports": [ { "port": 25, "open": false, "time_ms": 0.9, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 51.5, "banner": "", "error": "Network is unreachable" }, { "port": 587, "open": false, "time_ms": 52, "banner": "220 seobook.com ESMTP Postfix", "error": "No connection" } ] }, "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": 105.04 }