{ "ok": true, "domain": "weibo.com", "generated_at": "2026-08-08T17:13:11-05:00", "cache": { "hit": true, "ttl": 0 }, "score": { "total": 75, "label": "Good", "categories": { "dns": 70, "mail": 70, "security": 77, "network": 35, "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": "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": "6 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": "1 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": "105 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": 12, "lost_points": 23, "detail": "3 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": 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": "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": "6 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": "1 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": "105 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": "3 of 9 evaluated headers detected.", "category": "security", "max_points": 35, "earned_points": 12, "lost_points": 23 }, { "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": "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": [ "36.51.224.123", "36.51.224.126" ], "AAAA": [], "CNAME": [], "MX": [ "10 mx.sina.net." ], "TXT": [ "\"google-site-verification=P4n0nSkaw97YPTZ_JTcVtmAnD8TzURwDaqKi8WGZSb4\"", "\"v=spf1 include:spf.weibo.com -all\"" ], "NS": [ "ns2.sina.com.cn.", "ns1.sina.com.cn.", "ns3.sina.com.cn.", "ns4.sina.com.cn.", "ns3.sina.com.", "ns4.sina.com." ], "SOA": [ "ns1.sina.com.cn. zhihao.staff.sina.com.cn. 1 28800 7200 604800 600" ], "CAA": [], "DS": [], "DNSKEY": [], "RRSIG": [], "NSEC": [], "NSEC3": [], "SRV": [], "NAPTR": [], "TLSA": [], "SSHFP": [] }, "ipv4": [ "36.51.224.123", "36.51.224.126" ], "ipv6": [] }, "mail": { "spf": "v=spf1 include:spf.weibo.com -all", "dmarc": "v=DMARC1;p=reject", "dkim_selector": "x", "dkim_host": "", "dkim": "", "spf_analysis": { "valid": true, "lookups": 1, "final": "-all", "message": "Within the estimated limit" }, "dmarc_analysis": { "valid": true, "policy": "reject" }, "bimi": "", "mta_sts": "", "tls_rpt": "" }, "advanced": { "ptr": "", "propagation": { "consistent": true, "results": [ { "provider": "Google", "server": "8.8.8.8", "result": [ "36.51.224.123", "36.51.224.126" ], "time_ms": 268.28 }, { "provider": "Cloudflare", "server": "1.1.1.1", "result": [ "36.51.224.123", "36.51.224.126" ], "time_ms": 44.69 }, { "provider": "Quad9", "server": "9.9.9.9", "result": [ "36.51.224.123", "36.51.224.126" ], "time_ms": 37.2 }, { "provider": "OpenDNS", "server": "208.67.222.222", "result": [ "36.51.224.123", "36.51.224.126" ], "time_ms": 230.52 }, { "provider": "AdGuard", "server": "94.140.14.14", "result": [ "36.51.224.123", "36.51.224.126" ], "time_ms": 265.53 } ] } }, "ssl": { "available": true, "issuer": "DigiCert, Inc.", "subject": "weibo.cn", "valid_from": "2026-05-06T19:00:00-05:00", "valid_to": "2026-11-21T17:59:59-06:00", "days_remaining": 105, "san": [ "weibo.cn", "weibo.com", "admin.event.weibo.com", "api.chaohua.weibo.cn", "api.t.sina.com.cn", "company.admin.weibo.com", "company.verified.weibo.com", "i.apps.sina.cn", "krcom.cn", "new.vip.weibo.cn", "pic.tongji.weibo.com", "service.account.weibo.com", "share.card.weibo.com", "video.videoself.cn", "video.weibocdn.com", "*.ad.weibo.com", "*.api.weibo.cn", "*.bang.weibo.com", "*.bao.weibo.com", "*.biz.weibo.cn", "*.bop.weibo.com", "*.brand.service.weibo.cn", "*.brand.service.weibo.com", "*.cdn.krcom.cn", "*.chaohua.weibo.com", "*.chengdu.weibo.cn", "*.edm.weibo.cn", "*.forecast.sina.cn", "*.h5.weibo.cn", "*.hd.weibo.com", "*.krcom.cn", "*.life.weibo.cn", "*.live.weibo.com", "*.mcn.weibo.com", "*.me.weibo.com", "*.media.weibo.com", "*.movie.weibo.com", "*.music.sina.com.cn", "*.music.weibo.com", "*.oasis.weibo.cn", "*.photo.weibo.com", "*.pro.weibo.com", "*.qr.weibo.cn", "*.service.weibo.com", "*.sina.cn", "*.sina.com.cn", "*.sinaimg.cn", "*.sinajs.cn", "*.star.weibo.com", "*.tianhe.weibo.com", "*.travel.sina.com.cn", "*.verified.weibo.com", "*.video.videoself.cn", "*.video.weibo.com", "*.video.weibocdn.com", "*.vip.weibo.com", "*.wan.weibo.com", "*.wax.weibo.com", "*.wbimg.cn", "*.wcdn.cn", "*.weibo.cn", "*.weibo.com", "*.card.weibo.com", "www.weibo.cn" ], "protocol": "TLSv1.2", "cipher": "ECDHE-ECDSA-AES128-GCM-SHA256" }, "http": { "url": "https://passport.weibo.com/visitor/visitor?entry=miniblog&a=enter&url=https%3A%2F%2Fweibo.com%2F&domain=weibo.com&ua=DNS-Toolbox%2F2.0&_rand=1786227180218&sudaref=", "status": "HTTP/2 200 ", "http_version": "3", "headers": { "content-type": "text/html", "content-length": "405", "location": "https://passport.weibo.com/visitor/visitor?entry=miniblog&a=enter&url=https%3A%2F%2Fweibo.com%2F&domain=weibo.com&ua=DNS-Toolbox%2F2.0&_rand=1786227180218&sudaref=", "date": "Sat, 08 Aug 2026 22:13:01 GMT", "vary": "Accept-Encoding", "accept-ranges": "bytes", "set-cookie": "XSRF-TOKEN=ZfQrIEuuoIitvCuK_pdUWhez; path=/; secure", "x-login-visitor": "true", "x-frame-options": "SAMEORIGIN", "x-xss-protection": "1; mode=block", "x-download-options": "noopen", "x-readtime": "0", "proc_node": "weibopro-node-01-web-5785f8477c-6jbq2", "server": "APISIX/3.14.1", "lb": "36.51.224.123", "ssl_node": "msre-10-81-97-70.hk.intra.weibo.cn", "cache-control": "no-cache, must-revalidate", "expires": "Sat, 26 Jul 1997 05:00:00 GMT", "pragma": "no-cache", "content-security-policy": "upgrade-insecure-requests", "strict-transport-security": "max-age=31536000; includeSubDomains", "alb-x-request-id": "2b7135aa-00aa-4821-b959-13131951f309" }, "security_checks": { "strict-transport-security": true, "content-security-policy": true, "x-content-type-options": false, "x-frame-options": true, "referrer-policy": false, "permissions-policy": false, "cross-origin-opener-policy": false, "cross-origin-embedder-policy": false, "cross-origin-resource-policy": false }, "server": "APISIX/3.14.1", "powered_by": "" }, "webpage": { "url": "https://weibo.com/", "title": "", "description": "", "success": false, "error": "HTTP/2 stream 0 was not closed cleanly: INTERNAL_ERROR (err 2)" }, "network": { "36.51.224.123": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" }, "36.51.224.126": { "success": false, "country": "", "region": "", "city": "", "asn": "", "organization": "", "isp": "" } }, "smtp": { "host": "mx.sina.net", "ports": [ { "port": 25, "open": false, "time_ms": 198.5, "banner": "", "error": "Connection refused" }, { "port": 465, "open": false, "time_ms": 4206, "banner": "", "error": "Connection timed out" }, { "port": 587, "open": false, "time_ms": 4215.8, "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": 82.61 }