{"kind":"host","input":"duckduckgo.com","report":{"host":"duckduckgo.com","checkedAt":"2026-10-31T07:49:19.114Z","a":{"status":"found","values":["52.149.246.39"],"ttl":80,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.duckduckgo.com","a":{"status":"found","values":["52.149.246.39"],"ttl":63,"via":"Cloudflare","cname":["duckduckgo.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["duckduckgo.com"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"duckduckgo.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.duckduckgo.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"duckduckgo-com.mail.protection.outlook.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"8 of 8 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"dns1.p05.nsone.net","ipv6":true},{"host":"dns2.p05.nsone.net","ipv6":true},{"host":"dns3.p05.nsone.net","ipv6":true},{"host":"dns4.p05.nsone.net","ipv6":true},{"host":"ns01.quack-dns.com","ipv6":true},{"host":"ns02.quack-dns.com","ipv6":true},{"host":"ns03.quack-dns.com","ipv6":true},{"host":"ns04.quack-dns.com","ipv6":true}]}]},"receiptId":"fSnKSg1owA"}