{"domain":"truecaller.com","result":true,"measuredAt":"2026-11-01T12:16:48.248Z","receiptId":"m1Gvw8mtGP","answer":{"kind":"host","input":"truecaller.com","report":{"host":"truecaller.com","checkedAt":"2026-11-01T12:16:47.770Z","a":{"status":"found","values":["15.206.154.111","3.109.137.177"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2406:da00:a000::fce:9a6f","2406:da00:a000::36d:89b1"],"ttl":60,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.truecaller.com","a":{"status":"found","values":["172.67.70.116","104.26.8.130","104.26.9.130"],"ttl":228,"via":"Cloudflare","cname":["www.truecaller.com.cdn.cloudflare.net"]},"aaaa":{"status":"found","values":["2606:4700:20::681a:882","2606:4700:20::681a:982","2606:4700:20::ac43:4674"],"ttl":300,"via":"Cloudflare","cname":["www.truecaller.com.cdn.cloudflare.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"F","summary":"Publishes IPv6 but doesn't answer on it — worse than having none.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"broken","detail":"truecaller.com has an AAAA record, but nothing answered on ports 443 or 80. IPv6 visitors wait for a timeout before falling back to IPv4.","addresses":[{"address":"2406:da00:a000::fce:9a6f","result":"no answer"},{"address":"2406:da00:a000::36d:89b1","result":"no answer"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.truecaller.com has 3 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:20::681a:882","result":"answers","port":443},{"address":"2606:4700:20::681a:982","result":"answers","port":443},{"address":"2606:4700:20::ac43:4674","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":"aspmx.l.google.com","ipv6":true},{"host":"alt3.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":"ns-cloud-c2.googledomains.com","ipv6":true},{"host":"ns-cloud-c4.googledomains.com","ipv6":true},{"host":"ns-cloud-c3.googledomains.com","ipv6":true},{"host":"ns-cloud-c1.googledomains.com","ipv6":true}]}]}},"states":[{"firstSeen":"2026-11-01T12:16:48.248Z","lastConfirmed":"2026-11-01T12:16:48.248Z","checks":1,"verdict":"dual-stack","grade":"F","web":"broken","www":"pass","mail":"pass","dns":"pass","secondLook":null}]}