{"kind":"host","input":"groups.google.co.nz","report":{"host":"groups.google.co.nz","checkedAt":"2026-11-15T15:56:10.551Z","a":{"status":"found","values":["172.253.122.100","172.253.122.138","172.253.122.102","172.253.122.101","172.253.122.113","172.253.122.139"],"ttl":300,"via":"Cloudflare","cname":["groups.google.com"]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c19::8a","2607:f8b0:4004:c19::65","2607:f8b0:4004:c19::8b","2607:f8b0:4004:c19::71"],"ttl":300,"via":"Cloudflare","cname":["groups.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":"groups.google.co.nz has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2607:f8b0:4004:c19::8a","result":"answers","port":443},{"address":"2607:f8b0:4004:c19::65","result":"answers","port":443},{"address":"2607:f8b0:4004:c19::8b","result":"answers","port":443},{"address":"2607:f8b0:4004:c19::71","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"gmr-smtp-in.l.google.com","ipv6":true},{"host":"alt1.gmr-smtp-in.l.google.com","ipv6":true},{"host":"alt3.gmr-smtp-in.l.google.com","ipv6":true},{"host":"alt2.gmr-smtp-in.l.google.com","ipv6":true},{"host":"alt4.gmr-smtp-in.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":"ns3.google.com","ipv6":true},{"host":"ns4.google.com","ipv6":true},{"host":"ns2.google.com","ipv6":true},{"host":"ns1.google.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 404.","hops":[{"url":"https://groups.google.co.nz/","address":"2607:f8b0:4004:c19::8a","status":404,"tls":"valid"}]},"receiptId":"NogxWbDRw6","reused":true,"measuredAt":"2026-11-15T15:56:10.610Z"}