{"kind":"host","input":"www.gov.br","report":{"host":"www.gov.br","checkedAt":"2026-10-31T05:04:33.045Z","a":{"status":"found","values":["161.148.164.31"],"ttl":7790,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2804:151:3:2:161:148:164:31"],"ttl":13019,"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":"www.gov.br has an AAAA record and answers on it.","addresses":[{"address":"2804:151:3:2:161:148:164:31","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":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"bsa1.serpro.gov.br","ipv6":true},{"host":"bsa2.serpro.gov.br","ipv6":true},{"host":"spo1.serpro.gov.br","ipv6":true},{"host":"spo2.serpro.gov.br","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://www.gov.br/","address":"2804:151:3:2:161:148:164:31","status":403,"tls":"valid"}]},"receiptId":"tRegLgefXt","reused":true,"measuredAt":"2026-10-31T05:04:33.725Z"}