{"kind":"host","input":"sakura.ne.jp","report":{"host":"sakura.ne.jp","checkedAt":"2026-11-01T13:03:57.377Z","a":{"status":"found","values":["163.43.179.80"],"ttl":2190,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.sakura.ne.jp","a":{"status":"found","values":["163.43.179.80"],"ttl":10,"via":"Cloudflare","cname":["site-113401987442.gslb12.sakura.ne.jp"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["site-113401987442.gslb12.sakura.ne.jp"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"sakura.ne.jp has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.sakura.ne.jp 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":"mail.sakura.ad.jp","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns1.dns.ne.jp","ipv6":false},{"host":"ns2.dns.ne.jp","ipv6":false}]}]},"receiptId":"eF3dY_WH3y","reused":true,"measuredAt":"2026-11-01T13:03:57.744Z"}