{"kind":"host","input":"launchdarkly.com","report":{"host":"launchdarkly.com","checkedAt":"2026-10-31T05:35:15.163Z","a":{"status":"found","values":["15.197.167.90","3.33.186.135"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.launchdarkly.com","a":{"status":"found","values":["3.33.186.135","15.197.167.90"],"ttl":60,"via":"Cloudflare","cname":["webops-u-kgl98.netlifyglobalcdn.com"]},"aaaa":{"status":"found","values":["2600:1f18:16e:df01::1f5","2600:1f18:16e:df01::1f6"],"ttl":20,"via":"Cloudflare","cname":["webops-u-kgl98.netlifyglobalcdn.com"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"launchdarkly.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.launchdarkly.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1f18:16e:df01::1f5","result":"answers","port":443},{"address":"2600:1f18:16e:df01::1f6","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"alt4.aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true}]},{"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-1368.awsdns-43.org","ipv6":true},{"host":"ns-1739.awsdns-25.co.uk","ipv6":true},{"host":"ns-423.awsdns-52.com","ipv6":true},{"host":"ns-550.awsdns-04.net","ipv6":true}]}]},"receiptId":"njkrp0VEIo"}