{"kind":"host","input":"g.co","report":{"host":"g.co","checkedAt":"2026-10-31T12:53:48.827Z","a":{"status":"found","values":["142.251.163.102","142.251.163.113","142.251.163.138","142.251.163.100","142.251.163.139","142.251.163.101"],"ttl":224,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c1f::8a","2607:f8b0:4004:c1f::64","2607:f8b0:4004:c1f::71","2607:f8b0:4004:c1f::8b"],"ttl":88,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.g.co","a":{"status":"found","values":["172.253.115.101","172.253.115.138","172.253.115.139","172.253.115.102","172.253.115.100","172.253.115.113"],"ttl":300,"via":"Cloudflare","cname":["www3.l.google.com"]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c25::64","2607:f8b0:4004:c25::66","2607:f8b0:4004:c25::65","2607:f8b0:4004:c25::8a"],"ttl":300,"via":"Cloudflare","cname":["www3.l.google.com"]},"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":"g.co has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2607:f8b0:4004:c1f::8a","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::64","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::71","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::8b","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.g.co has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2607:f8b0:4004:c25::64","result":"answers","port":443},{"address":"2607:f8b0:4004:c25::66","result":"answers","port":443},{"address":"2607:f8b0:4004:c25::65","result":"answers","port":443},{"address":"2607:f8b0:4004:c25::8a","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":"ns4.google.com","ipv6":true},{"host":"ns1.google.com","ipv6":true},{"host":"ns3.google.com","ipv6":true},{"host":"ns2.google.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://g.co/","address":"2607:f8b0:4004:c1f::8a","status":200,"tls":"valid"}]},"receiptId":"Ak-BSbJzqu"}