{"kind":"host","input":"anthropic-ipo.net","report":{"host":"anthropic-ipo.net","checkedAt":"2026-11-14T01:29:25.330Z","a":{"status":"found","values":["172.67.208.149","104.21.61.94"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.anthropic-ipo.net","a":{"status":"found","values":["104.21.61.94","172.67.208.149"],"ttl":300,"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":"anthropic-ipo.net has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.anthropic-ipo.net 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":"amber.ns.cloudflare.com","ipv6":true},{"host":"quincy.ns.cloudflare.com","ipv6":true}]}]},"receiptId":"AY_qDfUsoo","reused":true,"measuredAt":"2026-11-14T01:29:25.343Z"}