{"kind":"host","input":"anthropic-ipo-ch.com","report":{"host":"anthropic-ipo-ch.com","checkedAt":"2026-11-13T01:42:54.274Z","a":{"status":"found","values":["104.21.24.217","172.67.220.217"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.anthropic-ipo-ch.com","a":{"status":"found","values":["104.21.24.217","172.67.220.217"],"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-ch.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.anthropic-ipo-ch.com 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":"p8X8XKNugj","reused":true,"measuredAt":"2026-11-13T01:42:54.282Z"}