{"kind":"host","input":"hbr.org","report":{"host":"hbr.org","checkedAt":"2026-10-31T08:27:48.209Z","a":{"status":"found","values":["3.170.3.21","3.170.3.103","3.170.3.104","3.170.3.73"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.hbr.org","a":{"status":"found","values":["98.94.185.47","44.206.166.52"],"ttl":60,"via":"Cloudflare","cname":["webfarm.hbr.org"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["webfarm.hbr.org"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"hbr.org has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.hbr.org has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"usb-smtp-inbound-1.mimecast.com","ipv6":false},{"host":"usb-smtp-inbound-2.mimecast.com","ipv6":false}]},{"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-1175.awsdns-18.org","ipv6":true},{"host":"ns-1877.awsdns-42.co.uk","ipv6":true},{"host":"ns-469.awsdns-58.com","ipv6":true},{"host":"ns-604.awsdns-11.net","ipv6":true}]}]},"receiptId":"WqPk4fNFuS"}