{ "ok": true, "domain": "htx.com", "generated_at": "2026-08-10T18:25:50-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 71, "label": "Fair", "categories": { "dns": 70, "mail": 50, "security": 65, "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": "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": "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": 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": 0, "lost_points": 20, "detail": "0 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": "85 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: ec2-13-158-217-139.ap-northeast-1.compute.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": 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": "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": "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": "error", "title": "MX records", "detail": "0 MX record(s).", "category": "mail", "max_points": 20, "earned_points": 0, "lost_points": 20 }, { "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": "85 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: ec2-13-158-217-139.ap-northeast-1.compute.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": "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": [ "13.158.217.139", "57.183.57.74", "13.112.107.183" ], "AAAA": [], "CNAME": [], "MX": [], "TXT": [ "\"v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com ip4:103.244.8.0/22 -all\"", "\"google-site-verification=osjWQpGhyFbBrbawn5jXPScCBfCRz58MBPVq-69tN2Q\"", "\"cjepenb3tk1a49udpepcepp7tt\"", "\"google-site-verification=at9Jh5DIWuXw5YQ5LFzrBtCMsy7gkEAhvk9JQWg0xe4\"", "\"5ffk9vigntr7ag1vt4hrv8er99\"", "\"google-site-verification=5xNpaxK458WVwThvElpdkepUZh_uYy1YLTjvqcSa-W8\"", "\"google-site-verification=Lg3G1re_attSlBGXc5R3x39Y1-A3eEbXKbmy9rlAuzM\"", "\"kpo3afqopq5ah4k0m09il1bidv\"", "\"6172ed22c4ea1e5c\"", "\"ca3-ef149932919c41969ba9ae5899d7cebc\"" ], "NS": [ "ns-1836.awsdns-37.co.uk.", "ns-541.awsdns-03.net.", "ns-1196.awsdns-21.org.", "ns-144.awsdns-18.com." ], "SOA": [ "ns-144.awsdns-18.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "13.158.217.139", "57.183.57.74", "13.112.107.183" ], "ipv6": [] }, "mail": { "spf": "v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com ip4:103.244.8.0/22 -all", "dmarc": "v=DMARC1; p=reject; ruf=mailto:soc@huobi.com; rua=mailto:soc@huobi.com", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 2, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "ec2-13-158-217-139.ap-northeast-1.compute.amazonaws.com", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "13.112.107.183", "13.158.217.139", "57.183.57.74" ], "time_ms": 70.29 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "13.112.107.183", "13.158.217.139", "57.183.57.74" ], "time_ms": 58.1 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "13.112.107.183", "13.158.217.139", "57.183.57.74" ], "time_ms": 79.94 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "13.112.107.183", "13.158.217.139", "57.183.57.74" ], "time_ms": 72.42 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "13.112.107.183", "13.158.217.139", "57.183.57.74" ], "time_ms": 75.59 } ] } }, "ssl": { "available": true, "issuer": "GoDaddy.com, Inc.", "subject": "*.htx.com", "valid_from": "2025-11-04T02:41:35-06:00", "valid_to": "2026-11-04T02:41:35-06:00", "days_remaining": 85, "san": [ "*.htx.com", "htx.com" ], "protocol": "TLSv1.3", "cipher": "TLS_AES_256_GCM_SHA384" }, "http": { "url": "https://www.htx.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "server": "openresty", "date": "Mon, 10 Aug 2026 23:25:41 GMT", "content-type": "text/html", "content-length": "137676", "location": "https://www.htx.com/", "x-request-id": "3a0e8db5fcdb0206ee424a43cc018480", "last-modified": "Wed, 05 Aug 2026 07:37:08 GMT", "etag": "\"6a72e824-219cc\"", "accept-ranges": "bytes", "request-id": "9a3aaa35d2c4c2882406e28bfdd591b5", "expires": "Mon, 10 Aug 2026 23:25:41 GMT", "cache-control": "max-age=0, no-cache, no-store", "pragma": "no-cache", "alt-svc": "h3=\":443\"; ma=93600" }, "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": "openresty", "powered_by": "" }, "webpage": { "url": "https://www.htx.com/", "title": "HTX | Leading Crypto Exchange for BTC, ETH, XRP, and 600+ Altcoins", "description": "Buy BTC, ETH, HT, and more on HTX, a leading crypto exchange. HTX is one of the world’s biggest Bitcoin exchanges and altcoin crypto exchanges.", "success": true, "error": "", "status": 206 }, "network": { "13.158.217.139": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "57.183.57.74": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "13.112.107.183": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "htx.com", "ports": [ { "port": 25, "open": false, "time_ms": 8.2, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4028.3, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4018.1, "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": 85.76 }