{ "ok": true, "domain": "backblazeb2.com", "generated_at": "2026-08-10T01:32:29-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 71, "label": "Fair", "categories": { "dns": 85, "mail": 70, "security": 69, "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": "3 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": "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": "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": 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": "33 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": 4, "lost_points": 31, "detail": "1 of 9 evaluated headers detected." }, { "category": "network", "title": "PTR reverse DNS", "max_points": 30, "earned_points": 30, "lost_points": 0, "detail": "PTR: api.backblazeb2.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/1.1 405 " }, { "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": "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": "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": "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": "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": "33 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": "1 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 4, "lost_points": 31 }, { "level": "ok", "title": "PTR reverse DNS", "detail": "PTR: api.backblazeb2.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/1.1 405 ", "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": [ "104.153.233.180", "149.137.130.5", "149.137.142.15" ], "AAAA": [], "CNAME": [], "MX": [ "10 mx1.forwardemail.net.", "20 mx2.forwardemail.net." ], "TXT": [ "\"FAtENs5ngeYmE0ynyszm8o58Wg0RS1M\"", "\"v=spf1 redirect=backblazeb2.com.hosted.spf-report.com\"", "\"forward-email-site-verification=gzqwSdjK3I\"", "\"postman-domain-verification=58e583c8b0566bdeb2991a4c37285ac2cf3382faebf20a0afd0d79119b3b66307325aa18bcec24519fb45dbb7bcf123ef53cb6a09f1029bf583fee76bd2efc5a\"", "\"google-site-verification=jgiutAgp_DXTW9Ib4Oc303deFWkcw6rRxHvpQfIEtks\"" ], "NS": [ "kirk.ns.cloudflare.com.", "dolly.ns.cloudflare.com." ], "SOA": [ "dolly.ns.cloudflare.com. dns.cloudflare.com. 2411545660 10000 2400 604800 1800" ], "CAA": [], "DS": [ "2371 13 2 59381FD99CD716FB0663A047EB4C03AAAE15C3710568DA5AF47ABDAE 2EFEE3F5" ], "DNSKEY": [ "256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==", "257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==" ], "RRSIG": [], "NSEC": [ "\\000.backblazeb2.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": [ "104.153.233.180", "149.137.130.5", "149.137.142.15" ], "ipv6": [] }, "mail": { "spf": "v=spf1 redirect=backblazeb2.com.hosted.spf-report.com", "dmarc": "v=DMARC1;p=reject;pct=100;fo=1;rua=mailto:e5ed3015@mxtoolbox.dmarc-report.com;ruf=mailto:e5ed3015@forensics.dmarc-report.com", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 1, "final": "", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "api.backblazeb2.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "104.153.233.180", "149.137.130.5", "149.137.142.15" ], "time_ms": 53.64 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "104.153.233.180", "149.137.130.5", "149.137.142.15" ], "time_ms": 27.86 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "104.153.233.180", "149.137.130.5", "149.137.142.15" ], "time_ms": 31.45 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "104.153.233.180", "149.137.130.5", "149.137.142.15" ], "time_ms": 38.93 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "104.153.233.180", "149.137.130.5", "149.137.142.15" ], "time_ms": 57.24 } ] } }, "ssl": { "available": true, "issuer": "Let's Encrypt", "subject": "backblazeb2.com", "valid_from": "2026-06-14T14:08:52-05:00", "valid_to": "2026-09-12T14:08:51-05:00", "days_remaining": 33, "san": [ "*.backblazeb2.com", "*.s3.ca-east-006.backblazeb2.com", "*.s3.eu-central-003.backblazeb2.com", "*.s3.us-east-005.backblazeb2.com", "*.s3.us-west-000.backblazeb2.com", "*.s3.us-west-001.backblazeb2.com", "*.s3.us-west-002.backblazeb2.com", "*.s3.us-west-004.backblazeb2.com", "backblazeb2.com", "s3.ca-east-006.backblazeb2.com", "s3.eu-central-003.backblazeb2.com", "s3.us-east-005.backblazeb2.com", "s3.us-west-000.backblazeb2.com", "s3.us-west-001.backblazeb2.com", "s3.us-west-002.backblazeb2.com", "s3.us-west-004.backblazeb2.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_128_GCM_SHA256" }, "http": { "url": "https://backblazeb2.com/", "status": "HTTP/1.1 405 ", "http_version": "2", "headers": { "strict-transport-security": "max-age=63072000", "cache-control": "max-age=0, no-cache, no-store", "content-type": "application/json;charset=utf-8", "content-length": "132", "date": "Mon, 10 Aug 2026 06:32:21 GMT" }, "security_checks": { "strict-transport-security": true, "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://www.backblaze.com/cloud-storage", "title": "Low Cost, High Performance S3 Compatible Object Storage", "description": "Backblaze B2 provides unlimited data storage in the cloud at 1/5th the cost of Amazon S3, Microsoft Azure, and Google Cloud.", "success": true, "error": "", "status": 200 }, "network": { "104.153.233.180": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "149.137.130.5": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "149.137.142.15": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mx1.forwardemail.net", "ports": [ { "port": 25, "open": false, "time_ms": 2.9, "banner": "", "error": "Network is unreachable" }, { "port": 465, "open": false, "time_ms": 4018, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4020.7, "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": 117.57 }