{"kind":"host","input":"googletagmanager.com","report":{"host":"googletagmanager.com","checkedAt":"2026-10-31T00:32:43.209Z","a":{"status":"found","values":["142.251.111.97"],"ttl":289,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c19::61"],"ttl":34,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.googletagmanager.com","a":{"status":"found","values":["173.194.45.97"],"ttl":39,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c1d::61"],"ttl":22,"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":"googletagmanager.com has an AAAA record and answers on it.","addresses":[{"address":"2607:f8b0:4004:c19::61","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.googletagmanager.com has an AAAA record and answers on it.","addresses":[{"address":"2607:f8b0:4004:c1d::61","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":"ns2.google.com","ipv6":true},{"host":"ns1.google.com","ipv6":true},{"host":"ns3.google.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 404.","hops":[{"url":"https://googletagmanager.com/","address":"2607:f8b0:4004:c19::61","status":404,"tls":"valid"}]},"receiptId":"wNwaZ7Mw1T"}