{"kind":"host","input":"mail.doordash.com","report":{"host":"mail.doordash.com","checkedAt":"2026-11-02T15:48:57.371Z","a":{"status":"found","values":["64.233.180.121"],"ttl":300,"via":"Cloudflare","cname":["ghs.googlehosted.com"]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c07::79"],"ttl":300,"via":"Cloudflare","cname":["ghs.googlehosted.com"]},"verdict":"dual-stack","www":{"host":"www.mail.doordash.com","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":"mail.doordash.com has an AAAA record and answers on it.","addresses":[{"address":"2607:f8b0:4004:c07::79","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.mail.doordash.com 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":"ns1.doordash.com","ipv6":true},{"host":"ns2.doordash.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"mail.doordash.com didn't complete an HTTPS request over IPv6 (connection closed before a response).","hops":[{"url":"https://mail.doordash.com/","address":"2607:f8b0:4004:c07::79","note":"connection closed before a response"}]},"receiptId":"FRJZ7t_bl9","reused":true,"measuredAt":"2026-11-02T15:48:57.406Z"}