{"kind":"host","input":"lttools.org","report":{"host":"lttools.org","checkedAt":"2026-11-12T12:36:29.711Z","a":{"status":"found","values":["104.21.42.36","172.67.155.196"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3031::ac43:9bc4","2606:4700:3032::6815:2a24"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.lttools.org","a":{"status":"found","values":["172.67.155.196","104.21.42.36"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3031::ac43:9bc4","2606:4700:3032::6815:2a24"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"lttools.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3031::ac43:9bc4","result":"answers","port":443},{"address":"2606:4700:3032::6815:2a24","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.lttools.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3031::ac43:9bc4","result":"answers","port":443},{"address":"2606:4700:3032::6815:2a24","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an 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":"keanu.ns.cloudflare.com","ipv6":true},{"host":"melany.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://lttools.org/","address":"2606:4700:3031::ac43:9bc4","status":200,"tls":"valid"}]},"receiptId":"XxEXygmic0","reused":true,"measuredAt":"2026-11-12T12:36:29.799Z"}