{"kind":"host","input":"linode.com","report":{"host":"linode.com","checkedAt":"2026-10-31T06:43:52.608Z","a":{"status":"found","values":["23.212.250.25","23.212.250.18"],"ttl":20,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:1408:c400:11::17cd:6b51","2600:1408:c400:11::17cd:6b44","2600:1408:c400:11::17cd:6b5a"],"ttl":20,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.linode.com","a":{"status":"found","values":["23.212.250.25","23.212.250.18"],"ttl":20,"via":"Cloudflare","cname":["linode.com.edgekey.net","e26254.dsca.akamaiedge.net"]},"aaaa":{"status":"found","values":["2600:1408:c400:11::17cd:6b5a","2600:1408:c400:11::17cd:6b51"],"ttl":20,"via":"Cloudflare","cname":["linode.com.edgekey.net","e26254.dsca.akamaiedge.net"]},"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":"linode.com has 3 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:11::17cd:6b51","result":"answers","port":443},{"address":"2600:1408:c400:11::17cd:6b44","result":"answers","port":443},{"address":"2600:1408:c400:11::17cd:6b5a","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.linode.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:11::17cd:6b5a","result":"answers","port":443},{"address":"2600:1408:c400:11::17cd:6b51","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"mxb-00190b01.gslb.pphosted.com","ipv6":true},{"host":"mxa-00190b01.gslb.pphosted.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"a4-64.akam.net","ipv6":true},{"host":"a1-249.akam.net","ipv6":true},{"host":"a16-64.akam.net","ipv6":true},{"host":"a3-67.akam.net","ipv6":true},{"host":"a7-65.akam.net","ipv6":true},{"host":"a12-65.akam.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://linode.com/","address":"2600:1408:c400:11::17cd:6b51","status":301,"tls":"valid"},{"url":"https://www.linode.com/","address":"2600:1408:c400:11::17cd:6b5a","status":200,"tls":"valid"}]},"receiptId":"TfjyoM2Aor"}