{"kind":"host","input":"mergelight.dev","report":{"host":"mergelight.dev","checkedAt":"2026-11-10T13:20:34.240Z","a":{"status":"found","values":["185.199.108.153","185.199.109.153","185.199.110.153","185.199.111.153"],"ttl":1800,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:50c0:8000::153","2606:50c0:8001::153","2606:50c0:8002::153","2606:50c0:8003::153"],"ttl":1800,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.mergelight.dev","a":{"status":"found","values":["185.199.108.153","185.199.109.153","185.199.110.153","185.199.111.153"],"ttl":1800,"via":"Cloudflare","cname":["mergelightai.github.io"]},"aaaa":{"status":"found","values":["2606:50c0:8001::153","2606:50c0:8002::153","2606:50c0:8000::153","2606:50c0:8003::153"],"ttl":1800,"via":"Cloudflare","cname":["mergelightai.github.io"]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"mergelight.dev has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:50c0:8000::153","result":"answers","port":443},{"address":"2606:50c0:8001::153","result":"answers","port":443},{"address":"2606:50c0:8002::153","result":"answers","port":443},{"address":"2606:50c0:8003::153","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.mergelight.dev has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:50c0:8001::153","result":"answers","port":443},{"address":"2606:50c0:8002::153","result":"answers","port":443},{"address":"2606:50c0:8000::153","result":"answers","port":443},{"address":"2606:50c0:8003::153","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"us1-smtp.messagingengine.com","ipv6":false},{"host":"us2-smtp.messagingengine.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":"launch1.spaceship.net","ipv6":true},{"host":"launch2.spaceship.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://mergelight.dev/","address":"2606:50c0:8000::153","status":200,"tls":"valid"}]},"receiptId":"K2fhJhUKm4","reused":true,"measuredAt":"2026-11-10T13:20:34.314Z"}