{"kind":"host","input":"doubleclick.net","report":{"host":"doubleclick.net","checkedAt":"2026-10-30T23:34:32.205Z","a":{"status":"found","values":["142.250.31.138","142.250.31.102","142.250.31.100","142.250.31.139","142.250.31.113","142.250.31.101"],"ttl":34,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c1f::71","2607:f8b0:4004:c1f::8a","2607:f8b0:4004:c1f::66","2607:f8b0:4004:c1f::8b"],"ttl":91,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.doubleclick.net","a":{"status":"found","values":["192.178.155.101","192.178.155.102","192.178.155.139","192.178.155.138","192.178.155.113","192.178.155.100"],"ttl":273,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c1f::64","2607:f8b0:4004:c1f::65","2607:f8b0:4004:c1f::8b","2607:f8b0:4004:c1f::71"],"ttl":138,"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":"doubleclick.net has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2607:f8b0:4004:c1f::71","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::8a","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::66","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::8b","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.doubleclick.net has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2607:f8b0:4004:c1f::64","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::65","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::8b","result":"answers","port":443},{"address":"2607:f8b0:4004:c1f::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":"alt2.aspmx.l.google.com","ipv6":true},{"host":"alt4.aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.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":"ns3.google.com","ipv6":true},{"host":"ns4.google.com","ipv6":true},{"host":"ns1.google.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://doubleclick.net/","address":"2607:f8b0:4004:c1f::71","status":301,"tls":"valid"},{"url":"https://marketingplatform.google.com/about/enterprise/","address":"2607:f8b0:4004:c17::8b","status":200,"tls":"valid"}]},"receiptId":"tNtoPJDIUC"}