{"kind":"host","input":"groups.google.ci","report":{"host":"groups.google.ci","checkedAt":"2026-11-10T14:05:52.901Z","a":{"status":"found","values":["216.239.34.177","216.239.36.177","216.239.38.177","216.239.32.177"],"ttl":300,"via":"Cloudflare","cname":["groups.google.com","groups-alv.google.com"]},"aaaa":{"status":"found","values":["2001:4860:4802:36::177","2001:4860:4802:38::177","2001:4860:4802:34::177","2001:4860:4802:32::177"],"ttl":300,"via":"Cloudflare","cname":["groups.google.com","groups-alv.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.ci has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2001:4860:4802:36::177","result":"answers","port":443},{"address":"2001:4860:4802:38::177","result":"answers","port":443},{"address":"2001:4860:4802:34::177","result":"answers","port":443},{"address":"2001:4860:4802:32::177","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"alt2.gmr-smtp-in.l.google.com","ipv6":true},{"host":"alt4.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":"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":"ns2.google.com","ipv6":true},{"host":"ns4.google.com","ipv6":true},{"host":"ns3.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.ci/","address":"2001:4860:4802:36::177","status":404,"tls":"valid"}]},"receiptId":"Is6patSlz5","reused":true,"measuredAt":"2026-11-10T14:05:52.961Z"}