{"kind":"host","input":"optimizely.com","report":{"host":"optimizely.com","checkedAt":"2026-10-31T18:08:26.959Z","a":{"status":"found","values":["216.150.1.193","216.150.16.193"],"ttl":185,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.optimizely.com","a":{"status":"found","values":["216.150.1.1","216.150.16.1"],"ttl":300,"via":"Cloudflare","cname":["699d99404477832c.vercel-dns-016.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["699d99404477832c.vercel-dns-016.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":"optimizely.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.optimizely.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":"de-smtp-inbound-1.mimecast.com","ipv6":false},{"host":"de-smtp-inbound-2.mimecast.com","ipv6":false}]},{"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":"doug.ns.cloudflare.com","ipv6":true},{"host":"harmony.ns.cloudflare.com","ipv6":true}]}]},"receiptId":"kkpBvOrNwl"}