{"kind":"host","input":"nubank.com.br","report":{"host":"nubank.com.br","checkedAt":"2026-11-01T17:27:27.453Z","a":{"status":"found","values":["3.170.19.54","3.170.19.51","3.170.19.25","3.170.19.72"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.nubank.com.br","a":{"status":"found","values":["3.170.19.54","3.170.19.51","3.170.19.72","3.170.19.25"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"nubank.com.br has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.nubank.com.br has no AAAA record."},{"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":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-1460.awsdns-54.org","ipv6":true},{"host":"ns-1569.awsdns-04.co.uk","ipv6":true},{"host":"ns-340.awsdns-42.com","ipv6":true},{"host":"ns-736.awsdns-28.net","ipv6":true}]}]},"receiptId":"D7Awld41kN","reused":true,"measuredAt":"2026-11-01T17:27:27.475Z"}