{"kind":"host","input":"coinbase-uk.com","report":{"host":"coinbase-uk.com","checkedAt":"2026-10-31T20:31:50.848Z","a":{"status":"found","values":["104.21.15.167","172.67.163.36"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3031::6815:fa7","2606:4700:3032::ac43:a324"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.coinbase-uk.com","a":{"status":"found","values":["104.21.15.167","172.67.163.36"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:a324","2606:4700:3031::6815:fa7"],"ttl":300,"via":"Cloudflare","cname":[]},"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":"coinbase-uk.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3031::6815:fa7","result":"answers","port":443},{"address":"2606:4700:3032::ac43:a324","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.coinbase-uk.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:a324","result":"answers","port":443},{"address":"2606:4700:3031::6815:fa7","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":"webhost.dynadot.com","ipv6":false}]},{"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":"chloe.ns.cloudflare.com","ipv6":true},{"host":"dean.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"coinbase-uk.com didn't complete an HTTPS request over IPv6 (timed out).","hops":[{"url":"https://coinbase-uk.com/","address":"2606:4700:3031::6815:fa7","tls":"valid","note":"timed out"}]},"receiptId":"SC6s2Cs8vR","reused":true,"measuredAt":"2026-10-31T20:31:55.876Z"}