{"kind":"host","input":"carrefoursolucoes.com.br","report":{"host":"carrefoursolucoes.com.br","checkedAt":"2026-11-01T02:44:10.720Z","a":{"status":"found","values":["104.18.10.27","104.18.11.27"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:a1b","2606:4700::6812:b1b"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.carrefoursolucoes.com.br","a":{"status":"found","values":["104.18.10.27","104.18.11.27"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:a1b","2606:4700::6812:b1b"],"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":"carrefoursolucoes.com.br has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:a1b","result":"answers","port":443},{"address":"2606:4700::6812:b1b","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.carrefoursolucoes.com.br has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:a1b","result":"answers","port":443},{"address":"2606:4700::6812:b1b","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"partial","detail":"At least one mail server has no AAAA record (0 of 10 checked do).","hosts":[{"host":"smtp01.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp05.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp06.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp07.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp08.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp10.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp11.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp12.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp13.carrefoursolucoes.com.br","ipv6":false},{"host":"smtp14.carrefoursolucoes.com.br","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":"sneh.ns.cloudflare.com","ipv6":true},{"host":"osmar.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://carrefoursolucoes.com.br/","address":"2606:4700::6812:a1b","status":403,"tls":"valid"}]},"receiptId":"w4p4mmzbLG","reused":true,"measuredAt":"2026-11-01T02:44:10.887Z"}