{"kind":"host","input":"anthropic-org.com","report":{"host":"anthropic-org.com","checkedAt":"2026-11-06T22:18:23.624Z","a":{"status":"found","values":["62.149.128.40"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.anthropic-org.com","a":{"status":"found","values":["62.149.128.40"],"ttl":3600,"via":"Cloudflare","cname":["anthropic-org.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["anthropic-org.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":"anthropic-org.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.anthropic-org.com 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":"mx.anthropic-org.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":"dns.technorail.com","ipv6":true},{"host":"dns4.arubadns.cz","ipv6":true},{"host":"dns3.arubadns.net","ipv6":true},{"host":"dns2.technorail.com","ipv6":true}]}]},"receiptId":"GVIWM1yGTO","reused":true,"measuredAt":"2026-11-06T22:18:23.960Z"}