{"kind":"host","input":"auroraicloud.org","report":{"host":"auroraicloud.org","checkedAt":"2026-11-11T23:15:25.321Z","a":{"status":"found","values":["104.21.18.79","172.67.180.243"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3033::6815:124f","2606:4700:3030::ac43:b4f3"],"ttl":300,"via":"Cloudflare","cname":[]},"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":"auroraicloud.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3033::6815:124f","result":"answers","port":443},{"address":"2606:4700:3030::ac43:b4f3","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":"_dc-mx.d53dbe63788e.auroraicloud.org","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":"aaron.ns.cloudflare.com","ipv6":true},{"host":"lily.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 521) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://auroraicloud.org/","address":"2606:4700:3033::6815:124f","status":521,"tls":"valid"}]},"receiptId":"tW7WWprK4a","reused":true,"measuredAt":"2026-11-11T23:15:25.599Z"}