{"kind":"host","input":"umebayashi-lab.com","report":{"host":"umebayashi-lab.com","checkedAt":"2026-11-07T00:09:05.035Z","a":{"status":"found","values":["13.159.0.56","52.192.198.215"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.umebayashi-lab.com","a":{"status":"found","values":["52.192.198.215","13.159.0.56"],"ttl":60,"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":"umebayashi-lab.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.umebayashi-lab.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":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-1223.awsdns-24.org","ipv6":true},{"host":"ns-2027.awsdns-61.co.uk","ipv6":true},{"host":"ns-451.awsdns-56.com","ipv6":true},{"host":"ns-906.awsdns-49.net","ipv6":true}]}]},"receiptId":"wsO_ITKLHr","reused":true,"measuredAt":"2026-11-07T00:09:05.057Z"}