{"domain":"coinbase.com","result":true,"measuredAt":"2026-10-31T14:27:33.875Z","receiptId":"l8bJZU02_2","answer":{"kind":"host","input":"coinbase.com","report":{"host":"coinbase.com","checkedAt":"2026-10-31T14:27:33.816Z","a":{"status":"found","values":["104.18.35.15","172.64.152.241"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a06:98c1:310d::6812:230f","2a06:98c1:3102::ac40:98f1"],"ttl":78,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.coinbase.com","a":{"status":"found","values":["172.64.152.241","104.18.35.15"],"ttl":83,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a06:98c1:3102::ac40:98f1","2a06:98c1:310d::6812:230f"],"ttl":91,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"coinbase.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a06:98c1:310d::6812:230f","result":"answers","port":443},{"address":"2a06:98c1:3102::ac40:98f1","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.coinbase.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a06:98c1:3102::ac40:98f1","result":"answers","port":443},{"address":"2a06:98c1:310d::6812:230f","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"alt4.aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"sam.ns.cloudflare.com","ipv6":true},{"host":"sue.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.","hops":[{"url":"https://coinbase.com/","address":"2a06:98c1:310d::6812:230f","status":302,"tls":"valid"},{"url":"https://www.coinbase.com/","address":"2a06:98c1:3102::ac40:98f1","status":403,"tls":"valid"}]}},"states":[{"firstSeen":"2026-10-31T14:27:33.875Z","lastConfirmed":"2026-10-31T14:27:33.875Z","checks":1,"verdict":"dual-stack","grade":"A","web":"pass","www":"pass","mail":"pass","dns":"pass","secondLook":null}]}