{ "ok": true, "domain": "tudou.com", "generated_at": "2026-08-09T01:43:35-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 75, "label": "Good", "categories": { "dns": 70, "mail": 70, "security": 69, "network": 55, "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": "1 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": 0, "lost_points": 10, "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": "194 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": 0, "lost_points": 30, "detail": "PTR not detected." }, { "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/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": "1 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": "error", "title": "DNS propagation", "detail": "Agreement between public resolvers.", "category": "dns", "max_points": 10, "earned_points": 0, "lost_points": 10 }, { "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": "194 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": "error", "title": "PTR reverse DNS", "detail": "PTR not detected.", "category": "network", "max_points": 30, "earned_points": 0, "lost_points": 30 }, { "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/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": [ "106.11.43.107" ], "AAAA": [ "2408:4001:f00::1af", "2408:4001:f10::8" ], "CNAME": [], "MX": [ "5 mx2.tudou.com.", "5 mx1.tudou.com." ], "TXT": [ "\"_globalsign-domain-verification=AEoDNCjDbKvUZ22iqo1aWP3jA98OrX_zTvv8tfqPue\"", "\"v=spf1 include:spf1.staff.mail.aliyun.com -all\"" ], "NS": [ ";; communications error to 69.64.44.20#53: timed out", "dns3.youku.com.", "dns1.youku.com.", "dns2.youku.com.", "dns4.youku.com." ], "SOA": [ "dns1.youku.com. hostmaster.hichina.com. 2017051810 3600 1200 3600 360" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [ ";; communications error to 69.64.44.20#53: timed out" ], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [ ";; communications error to 69.64.44.20#53: timed out" ] }, "ipv4": [ "106.11.43.107" ], "ipv6": [ "2408:4001:f00::1af", "2408:4001:f10::8" ] }, "mail": { "spf": "v=spf1 include:spf1.staff.mail.aliyun.com -all", "dmarc": "v=DMARC1; p=none; rua=mailto:dmarc_alibaba@service.alibaba.com; ruf=mailto:dmarc_alibaba@service.alibaba.com", "dkim_selector": "x", "dkim_host": "", "dkim": "", "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": false, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "106.11.43.107" ], "time_ms": 97.88 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "106.11.43.107" ], "time_ms": 131.63 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "106.11.43.215" ], "time_ms": 1786.98 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "106.11.43.246" ], "time_ms": 60.59 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "106.11.43.71" ], "time_ms": 279.35 } ] } }, "ssl": { "available": true, "issuer": "GlobalSign nv-sa", "subject": "*.youku.com", "valid_from": "2026-01-18T20:51:06-06:00", "valid_to": "2027-02-19T20:51:05-06:00", "days_remaining": 194, "san": [ "*.youku.com", "p.comments.youku.com", "r.l.youku.com", "ykrec.hotspotselect.youku.com", "*.account.youku.com", "*.ad.youku.com", "*.ai-nichang.com", "*.alibaba-dme.com", "*.api.3g.cp31.ott.cibntv.net", "*.api.3g.youku.com", "*.api.mobile.youku.com", "*.api.youku.com", "*.appsdk.soku.com", "*.atm.cp31.ott.cibntv.net", "*.atm.youku.com", "*.bdxdata.com", "*.cp12.ott.cibntv.net", "*.cp12.wasu.tv", "*.cp31.ott.cibntv.net", "*.cs.tudou.com", "*.cs.youku.com", "*.dandelion.youku.com", "*.danmu.youku.com", "*.datamap.youku.com", "*.hujing-dme.com", "*.iyes.youku.com", "*.iytcdn.com", "*.kumiao.com", "*.luobosmart.com", "*.m.youku.com", "*.miaoya.cn", "*.miaozhen.atm.youku.com", "*.mobile.youku.com", "*.open.youku.com", "*.pay.youku.com", "*.planet.youku.com", "*.play.api.3g.youku.com", "*.soku.com", "*.sychlon.com", "*.tudou.com", "*.tv.yunos.com", "*.ucenter.youku.com", "*.vip.youku.com", "*.yes.youku.com", "*.ykimg.com", "*.ymap.youku.com", "*.yokoo.com", "*.youku.tv", "*.youkuhonor.com", "*.youkuplay.com", "*.youwusc.com", "*.yunos.com", "ai-nichang.com", "alibaba-dme.com", "client.aliyun.com", "hujing-dme.com", "ic.tv.aliyun.com", "iytcdn.com", "kumiao.com", "luobosmart.com", "miaoya.cn", "sdk.m.cp31.ott.cibntv.net", "soku.com", "sychlon.com", "tudou.com", "user.cibn.api.3g.cp31.ott.cibntv.net", "ykimg.com", "yokoo.com", "youku.net", "youku.tv", "youkuhonor.com", "youkuplay.com", "youwusc.com", "youku.com" ], "protocol": "TLSv1.2", "cipher": "ECDHE-ECDSA-AES128-GCM-SHA256" }, "http": { "url": "https://tudou.com/", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "date": "Sun, 09 Aug 2026 06:43:24 GMT", "content-type": "text/plain; charset=utf-8", "content-length": "197", "vary": "Origin", "access-control-allow-origin": "*", "x-server-id": "a46426e25423c4a1755309894a29f10e0d117fff09f7142c936ce8e67d7838dd957989f9f562d72c", "x-readtime": "1", "server": "Tengine/Aserver", "eagleeye-traceid": "0b51d3ec17862578045528295e64df", "strict-transport-security": "max-age=31536000", "timing-allow-origin": "*", "s-rt": "4" }, "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": "Tengine/Aserver", "powered_by": "" }, "webpage": { "url": "https://tudou.com/", "title": "", "description": "", "success": false, "error": "Operation timed out after 10002 milliseconds with 275552 bytes received" }, "network": { "106.11.43.107": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mx2.tudou.com", "ports": [ { "port": 25, "open": false, "time_ms": 107.6, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 105.8, "banner": "", "error": "Connection refused" }, { "port": 587, "open": false, "time_ms": 105, "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": 96.14 }