{ "ok": true, "domain": "hubblesite.org", "generated_at": "2026-08-09T09:04:20-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 54, "label": "Critical", "categories": { "dns": 75, "mail": 0, "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": "2 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": 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": 0, "lost_points": 10, "detail": "Agreement between public resolvers." }, { "category": "mail", "title": "MX records", "max_points": 20, "earned_points": 0, "lost_points": 20, "detail": "0 MX record(s)." }, { "category": "mail", "title": "SPF", "max_points": 25, "earned_points": 0, "lost_points": 25, "detail": "SPF policy not found." }, { "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": 0, "lost_points": 20, "detail": "No tested DKIM selector responded." }, { "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": "62 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: ec2-100-60-248-102.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/2 404 " }, { "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": "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": "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": "error", "title": "DNS propagation", "detail": "Agreement between public resolvers.", "category": "dns", "max_points": 10, "earned_points": 0, "lost_points": 10 }, { "level": "error", "title": "MX records", "detail": "0 MX record(s).", "category": "mail", "max_points": 20, "earned_points": 0, "lost_points": 20 }, { "level": "error", "title": "SPF", "detail": "SPF policy not found.", "category": "mail", "max_points": 25, "earned_points": 0, "lost_points": 25 }, { "level": "error", "title": "DMARC", "detail": "DMARC policy not found.", "category": "mail", "max_points": 25, "earned_points": 0, "lost_points": 25 }, { "level": "error", "title": "DKIM", "detail": "No tested DKIM selector responded.", "category": "mail", "max_points": 20, "earned_points": 0, "lost_points": 20 }, { "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": "62 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: ec2-100-60-248-102.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/2 404 ", "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": [ "100.60.248.102", "3.236.0.197" ], "AAAA": [], "CNAME": [], "MX": [], "TXT": [ "\"google-site-verification=fN4wDfAZIdrKPMxKgekXHekmxgD_xDl1QDkmDCYAF9E\"" ], "NS": [ "ns-1165.awsdns-17.org.", "ns-745.awsdns-29.net.", "ns-408.awsdns-51.com.", "ns-1763.awsdns-28.co.uk." ], "SOA": [ "ns-408.awsdns-51.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400" ], "CAA": [], "DS": [ "41120 13 2 2961B2EAC9E4B1E5F7CE201D0DFA7B5B122675CB755074B8727F8F86 88691ED2" ], "DNSKEY": [ "257 3 13 gvBvu6Yh7JYQh218ncky0bcrDqUubEraJgvDk/RocX25nWRbUxAEWduE /GyEoDlKz3aLskqF/wEY5EqPMPf1mA==", "256 3 13 X3G4moW3PXaNTtj7uz13/3+I1lu2PhDE7/4cYZk3cOD+2wV9hvzgigwr TTZHZfCdYOnZlvcGYYHCu3QM+LwQUA==", "256 3 13 myLJzdtQWx/DEgRVuktYFwFWntKvdg5t4D8lEplg6Ba76XHUJEmla71u uD5/cccI86u9khVDLbBdRydFIwHv1A==" ], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "100.60.248.102", "3.236.0.197" ], "ipv6": [] }, "mail": { "spf": "", "dmarc": "", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": false, "lookups": 0, "final": "", "message": "Not published" }, "dmarc_analysis": { "valid": false, "policy": "" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "ec2-100-60-248-102.compute-1.amazonaws.com", "propagation": { "consistent": false, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "100.60.248.102", "3.236.0.197" ], "time_ms": 108.04 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "32.199.126.167", "52.5.211.106" ], "time_ms": 118.42 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "32.199.126.167", "52.5.211.106" ], "time_ms": 71.94 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "32.199.126.167", "52.5.211.106" ], "time_ms": 167.75 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "100.60.248.102", "3.236.0.197" ], "time_ms": 458.91 } ] } }, "ssl": { "available": true, "issuer": "Amazon", "subject": "hubblesite.org", "valid_from": "2026-03-26T19:00:00-05:00", "valid_to": "2026-10-10T18:59:59-05:00", "days_remaining": 62, "san": [ "hubblesite.org" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://hubblesite.org/", "status": "HTTP/2 404 ", "http_version": "3", "headers": { "date": "Sun, 09 Aug 2026 14:04:12 GMT", "content-type": "application/json", "content-length": "23", "apigw-requestid": "B1pSgjtGIAMEbPg=" }, "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": "", "powered_by": "" }, "webpage": { "url": "https://science.nasa.gov/mission/hubble/", "title": "Hubble Space Telescope - NASA Science", "description": "From the planets in our solar system to the far reaches of the cosmos, explore NASA's Hubble Space Telescope's three decades of discoveries.", "success": true, "error": "", "status": 200 }, "network": { "100.60.248.102": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "3.236.0.197": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "hubblesite.org", "ports": [ { "port": 25, "open": false, "time_ms": 0.9, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4019.5, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4021.2, "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": 91.61 }