{"kind":"host","input":"youtube.com","report":{"host":"youtube.com","checkedAt":"2026-10-30T18:48:53.620Z","a":{"status":"found","values":["192.179.18.91","192.179.18.93","192.179.18.190","192.179.18.136"],"ttl":235,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c08::be","2607:f8b0:4004:c08::5b","2607:f8b0:4004:c08::5d","2607:f8b0:4004:c08::88"],"ttl":15,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.youtube.com","a":{"status":"found","values":["142.251.156.4","142.251.152.4","142.251.155.4","142.251.151.4","142.251.153.4","142.251.157.4","142.251.154.4","142.251.150.4"],"ttl":262,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2001:4860:482d:400::","2001:4860:482c:400::","2001:4860:482a:400::","2001:4860:4829:400::","2001:4860:4828:400::","2001:4860:4826:400::","2001:4860:4827:400::","2001:4860:482b:400::"],"ttl":12,"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":"youtube.com has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2607:f8b0:4004:c08::be","result":"answers","port":443},{"address":"2607:f8b0:4004:c08::5b","result":"answers","port":443},{"address":"2607:f8b0:4004:c08::5d","result":"answers","port":443},{"address":"2607:f8b0:4004:c08::88","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.youtube.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2001:4860:482d:400::","result":"answers","port":443},{"address":"2001:4860:482c:400::","result":"answers","port":443},{"address":"2001:4860:482a:400::","result":"answers","port":443},{"address":"2001:4860:4829:400::","result":"answers","port":443},{"address":"2001:4860:4828:400::","result":"not tested"},{"address":"2001:4860:4826:400::","result":"not tested"},{"address":"2001:4860:4827:400::","result":"not tested"},{"address":"2001:4860:482b:400::","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"smtp.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":"ns1.google.com","ipv6":true},{"host":"ns3.google.com","ipv6":true},{"host":"ns4.google.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://youtube.com/","address":"2607:f8b0:4004:c08::be","status":301,"tls":"valid"},{"url":"https://www.youtube.com/","address":"2001:4860:482d:400::","status":200,"tls":"valid"}]},"receiptId":"Thd01GM4bh"}