{"kind":"host","input":"linear.host","report":{"host":"linear.host","checkedAt":"2026-10-30T20:54:23.626Z","a":{"status":"found","values":["216.198.79.1"],"ttl":1799,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.linear.host","a":{"status":"found","values":["64.29.17.1","216.198.79.1"],"ttl":300,"via":"Cloudflare","cname":["98e8053560f2a44d.vercel-dns-017.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["98e8053560f2a44d.vercel-dns-017.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":"linear.host has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.linear.host 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":"mx1.privateemail.com","ipv6":false},{"host":"mx2.privateemail.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":"dns1.registrar-servers.com","ipv6":true},{"host":"dns2.registrar-servers.com","ipv6":true}]}]},"receiptId":"j98qzTGrhO"}