{ "ok": true, "domain": "xunlei.com", "generated_at": "2026-08-09T05:51:57-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 81, "label": "Good", "categories": { "dns": 80, "mail": 90, "security": 65, "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": "4 IPv4 address(es) detected." }, { "category": "dns", "title": "IPv6 (AAAA)", "max_points": 10, "earned_points": 10, "lost_points": 0, "detail": "2 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": "3 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": "129 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": 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/1.1 200 OK" }, { "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": "4 IPv4 address(es) detected.", "category": "dns", "max_points": 30, "earned_points": 30, "lost_points": 0 }, { "level": "ok", "title": "IPv6 (AAAA)", "detail": "2 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": "3 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": "129 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": "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/1.1 200 OK", "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": [ "112.124.227.84", "39.104.99.104", "121.41.61.107", "39.104.2.218" ], "AAAA": [ "2400:3200:1500::55", "2408:4004:f8::17c" ], "CNAME": [], "MX": [ "15 mx3.xunlei.com.", "10 mx2.xunlei.com.", "5 mx1.xunlei.com." ], "TXT": [ "\"globalsign-domain-verification=PzwuPIQBiVkcoS-WOFMIFpS6wpcF5uI2YTr1pwi-ft\"", "\"v=spf1 include:spf.qiye.aliyun.com -all\"", "\"globalsign-domain-verification=ozJlGpajTp5-4YKzCfW5HzWLFI3j88IGPazut2EVEa\"" ], "NS": [ "ns3.xunlei.net.", "ns1.xunlei.net.", "ns5.xunlei.net.", "ns4.xunlei.net.", "ns2.xunlei.net." ], "SOA": [ "localhost. root.localhost. 2007041108 10800 15 604800 10800" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "112.124.227.84", "39.104.99.104", "121.41.61.107", "39.104.2.218" ], "ipv6": [ "2400:3200:1500::55", "2408:4004:f8::17c" ] }, "mail": { "spf": "v=spf1 include:spf.qiye.aliyun.com -all", "dmarc": "v=DMARC1; p=none; rua=mailto:xldmarc_report@xunlei.com; ruf=mailto:xldmarc_report@xunlei.com", "dkim_selector": "default", "dkim_host": "default._domainkey.xunlei.com", "dkim": "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvCdkLhJUFQwFg9vmffoub8digw75jxm1eTlg+DzorNAgUB/dD3hnAMGNjkypKkSl4UwfR1R5D12Nu6pwiz072U6v++Fk6axod6sB/4LPmnmzqiG3wlc3OQi6+X2IHrjR5JUzcYsiwduXFFfriI7AwMP57wlsWeSUsGWUu2osgS3CwGFUnXUKkVPgCQORhkZX1rYonBqAr+e1jT5OSLp0mfN+9DjC0z72WKS9HepK7d1droawrU93F+K1MAcPM9ZXPhi/2hnz8fW+jE2IaR2OsOHw6CSFFzPizujlWh995qYnKdzj+Rn1O0mNIQbz/s++mH2ubGmqfxbdzZwvcYc8VQIDAQAB;", "spf_analysis": { "valid": true, "lookups": 1, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "none" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "112.124.227.84", "121.41.61.107", "39.104.2.218", "39.104.99.104" ], "time_ms": 292.85 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "112.124.227.84", "121.41.61.107", "39.104.2.218", "39.104.99.104" ], "time_ms": 25.39 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "112.124.227.84", "121.41.61.107", "39.104.2.218", "39.104.99.104" ], "time_ms": 25.64 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "112.124.227.84", "121.41.61.107", "39.104.2.218", "39.104.99.104" ], "time_ms": 351.79 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "112.124.227.84", "121.41.61.107", "39.104.2.218", "39.104.99.104" ], "time_ms": 294.89 } ] } }, "ssl": { "available": true, "issuer": "GlobalSign nv-sa", "subject": "*.xunlei.com", "valid_from": "2026-06-01T05:30:53-05:00", "valid_to": "2026-12-17T04:30:53-06:00", "days_remaining": 129, "san": [ "*.xunlei.com", "xunlei.com" ], "protocol": "TLSv1.2", "cipher": "ECDHE-RSA-AES128-GCM-SHA256" }, "http": { "url": "https://www.xunlei.com/", "status": "HTTP/1.1 200 OK", "http_version": "2", "headers": { "date": "Sun, 09 Aug 2026 10:51:50 GMT", "content-type": "text/html", "location": "https://www.xunlei.com/", "expires": "Mon, 10 Aug 2026 10:51:48 GMT", "cache-control": "max-age=86400", "via": "CHN-SNxian-AREACT4-CACHE79[5],CHN-SNxian-AREACT4-CACHE73[0,TCP_HIT,2],CHN-TJ-GLOBAL6-CACHE57[5],CHN-TJ-GLOBAL6-CACHE27[0,TCP_HIT,2]", "content-length": "44320", "connection": "keep-alive", "server": "openresty", "vary": "Accept-Encoding", "last-modified": "Thu, 06 Aug 2026 07:42:33 GMT", "etag": "\"6a743ae9-ad20\"", "x-hcs-proxy-type": "1", "x-ccdn-cachettl": "2592000", "x-ccdn-req-id-46b1": "23e04f306d17f4670a2612246da8e10d", "nginx-hit": "1", "age": "270135", "x-ccdn-expires": "2321865", "accept-ranges": "bytes" }, "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.xunlei.com/", "title": "迅雷-构建全球最大的去中心化存储与传输网络", "description": "迅雷是一家全球领先的去中心化服务商，以技术构建商业，以服务创造共识，累计用户超4亿。面向个人和企业推出迅雷下载、迅雷云盘、迅雷影音、迅雷直播、迅雷会员、云计算、区块链等产品。", "success": true, "error": "", "status": 206 }, "network": { "112.124.227.84": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "39.104.99.104": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "121.41.61.107": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "39.104.2.218": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mx3.xunlei.com", "ports": [ { "port": 25, "open": false, "time_ms": 266.7, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 250.8, "banner": "", "error": "Connection refused" }, { "port": 587, "open": false, "time_ms": 1.1, "banner": "", "error": "Connection refused" } ] }, "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": 101.24 }