{"kind":"host","input":"caixabankempresas.com","report":{"host":"caixabankempresas.com","checkedAt":"2026-11-02T10:02:08.840Z","a":{"status":"found","values":["104.21.63.33","172.67.169.110"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3031::6815:3f21","2606:4700:3033::ac43:a96e"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.caixabankempresas.com","a":{"status":"found","values":["104.21.63.33","172.67.169.110"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3031::6815:3f21","2606:4700:3033::ac43:a96e"],"ttl":300,"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":"caixabankempresas.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3031::6815:3f21","result":"answers","port":443},{"address":"2606:4700:3033::ac43:a96e","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.caixabankempresas.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3031::6815:3f21","result":"answers","port":443},{"address":"2606:4700:3033::ac43:a96e","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"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":"carmelo.ns.cloudflare.com","ipv6":true},{"host":"chan.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"fail","problem":"redirect-no-ipv6","summary":"Redirects to app.caixabankempresas.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.","hops":[{"url":"https://caixabankempresas.com/","address":"2606:4700:3031::6815:3f21","status":302,"tls":"valid"},{"url":"https://app.caixabankempresas.com/?error=404&ref=true&t=20261102130209&ip=2605:4c40:40:f110::b04c&port=0","note":"redirects to app.caixabankempresas.com, which has no IPv6 address"}]},"receiptId":"DzB57xtrac","reused":true,"measuredAt":"2026-11-02T10:02:09.171Z"}