{"kind":"host","input":"npr.org","report":{"host":"npr.org","checkedAt":"2026-10-31T21:57:31.646Z","a":{"status":"found","values":["18.165.83.21","18.165.83.52","18.165.83.110","18.165.83.38"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.npr.org","a":{"status":"found","values":["23.73.207.152"],"ttl":19,"via":"Cloudflare","cname":["nprweb.edgekey.net","e103193.dsca.akamaiedge.net"]},"aaaa":{"status":"found","values":["2600:1408:c400:16::17d4:f806","2600:1408:c400:16::17d4:f804"],"ttl":11,"via":"Cloudflare","cname":["nprweb.edgekey.net","e103193.dsca.akamaiedge.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"npr.org has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.npr.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:16::17d4:f806","result":"answers","port":443},{"address":"2600:1408:c400:16::17d4:f804","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mxa-0032f701.gslb.pphosted.com","ipv6":false},{"host":"mxb-0032f701.gslb.pphosted.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-1227.awsdns-25.org","ipv6":true},{"host":"ns-139.awsdns-17.com","ipv6":true},{"host":"ns-1580.awsdns-05.co.uk","ipv6":true},{"host":"ns-769.awsdns-32.net","ipv6":true}]}]},"receiptId":"1cpHxJ2qM7","reused":true,"measuredAt":"2026-10-31T21:57:31.692Z"}