{"kind":"host","input":"taobao.com","report":{"host":"taobao.com","checkedAt":"2026-10-31T06:48:32.023Z","a":{"status":"found","values":["59.82.121.163","59.82.43.239","59.82.122.130","59.82.43.234","59.82.44.240","59.82.122.140","59.82.122.165","59.82.43.238"],"ttl":21,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2408:4001:f00::3c","2408:4001:f10::5e","2401:b180:7003::ed","2401:b180:7003::25","2408:4001:f10::6f","2401:b180:7003::aa","2401:b180:7003::6b","2408:4001:f00::87"],"ttl":290,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.taobao.com","a":{"status":"found","values":["155.102.176.108","155.102.176.107"],"ttl":51,"via":"Cloudflare","cname":["www.taobao.com.danuoyi.tbcache.com"]},"aaaa":{"status":"found","values":["2404:2280:205:0:3::6b","2404:2280:205:0:3::6a"],"ttl":32,"via":"Cloudflare","cname":["www.taobao.com.danuoyi.tbcache.com"]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"taobao.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2408:4001:f00::3c","result":"answers","port":443},{"address":"2408:4001:f10::5e","result":"answers","port":443},{"address":"2401:b180:7003::ed","result":"answers","port":443},{"address":"2401:b180:7003::25","result":"answers","port":443},{"address":"2408:4001:f10::6f","result":"not tested"},{"address":"2401:b180:7003::aa","result":"not tested"},{"address":"2401:b180:7003::6b","result":"not tested"},{"address":"2408:4001:f00::87","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.taobao.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2404:2280:205:0:3::6b","result":"answers","port":443},{"address":"2404:2280:205:0:3::6a","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx1.alibaba-inc.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns4.taobao.com","ipv6":true},{"host":"ns7.taobao.com","ipv6":true},{"host":"ns6.taobao.com","ipv6":true},{"host":"ns5.taobao.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://taobao.com/","address":"2408:4001:f00::3c","status":302,"tls":"valid"},{"url":"https://www.taobao.com/","address":"2404:2280:205:0:3::6b","status":200,"tls":"valid"}]},"receiptId":"4bxpSuwBig"}