{"kind":"host","input":"tarctransitalerts.app","report":{"host":"tarctransitalerts.app","checkedAt":"2026-11-12T08:00:10.186Z","a":{"status":"found","values":["104.21.17.155","172.67.177.15"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3033::ac43:b10f","2606:4700:3037::6815:119b"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.tarctransitalerts.app","a":{"status":"absent","via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"no-address"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: www doesn't fully work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"tarctransitalerts.app has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3033::ac43:b10f","result":"answers","port":443},{"address":"2606:4700:3037::6815:119b","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.tarctransitalerts.app has no AAAA record."},{"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":"aaron.ns.cloudflare.com","ipv6":true},{"host":"cheryl.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://tarctransitalerts.app/","address":"2606:4700:3033::ac43:b10f","status":200,"tls":"valid"}]},"receiptId":"3Hz_Jhqjcm","reused":true,"measuredAt":"2026-11-12T08:00:10.247Z"}