{"kind":"host","input":"pnas.org","report":{"host":"pnas.org","checkedAt":"2026-11-01T09:41:34.518Z","a":{"status":"found","values":["172.64.154.101","104.18.33.155"],"ttl":163,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.pnas.org","a":{"status":"found","values":["104.18.33.155","172.64.154.101"],"ttl":141,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"pnas.org has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.pnas.org has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has no AAAA record."},{"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":"ishaan.ns.cloudflare.com","ipv6":true},{"host":"saanvi.ns.cloudflare.com","ipv6":true}]}]},"receiptId":"jCAflwJSMh","reused":true,"measuredAt":"2026-11-01T09:41:34.529Z"}