{"kind":"host","input":"iso.org","report":{"host":"iso.org","checkedAt":"2026-10-31T07:06:17.830Z","a":{"status":"found","values":["104.18.17.124","104.18.16.124"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:117c","2606:4700::6812:107c"],"ttl":207,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.iso.org","a":{"status":"found","values":["104.18.17.124","104.18.16.124"],"ttl":70,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:117c","2606:4700::6812:107c"],"ttl":61,"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":"iso.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:117c","result":"answers","port":443},{"address":"2606:4700::6812:107c","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.iso.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:117c","result":"answers","port":443},{"address":"2606:4700::6812:107c","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"iso-org.mail.protection.outlook.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"lila.ns.cloudflare.com","ipv6":true},{"host":"sullivan.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://iso.org/","address":"2606:4700::6812:117c","status":403,"tls":"valid"}]},"receiptId":"C9ZVWLi8pr"}