{"kind":"host","input":"cdn.doordash.com","report":{"host":"cdn.doordash.com","checkedAt":"2026-11-02T14:54:51.292Z","a":{"status":"found","values":["3.170.42.81","3.170.42.59","3.170.42.120","3.170.42.28"],"ttl":31,"via":"Cloudflare","cname":["d22p9r14gd7p23.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:2870:e400:1:199:e6c0:93a1","2600:9000:2870:ce00:1:199:e6c0:93a1","2600:9000:2870:a800:1:199:e6c0:93a1","2600:9000:2870:7800:1:199:e6c0:93a1","2600:9000:2870:7e00:1:199:e6c0:93a1","2600:9000:2870:2000:1:199:e6c0:93a1","2600:9000:2870:2800:1:199:e6c0:93a1","2600:9000:2870:9200:1:199:e6c0:93a1"],"ttl":60,"via":"Cloudflare","cname":["d22p9r14gd7p23.cloudfront.net"]},"verdict":"dual-stack","www":{"host":"www.cdn.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":"cdn.doordash.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2870:e400:1:199:e6c0:93a1","result":"answers","port":443},{"address":"2600:9000:2870:ce00:1:199:e6c0:93a1","result":"answers","port":443},{"address":"2600:9000:2870:a800:1:199:e6c0:93a1","result":"answers","port":443},{"address":"2600:9000:2870:7800:1:199:e6c0:93a1","result":"answers","port":443},{"address":"2600:9000:2870:7e00:1:199:e6c0:93a1","result":"not tested"},{"address":"2600:9000:2870:2000:1:199:e6c0:93a1","result":"not tested"},{"address":"2600:9000:2870:2800:1:199:e6c0:93a1","result":"not tested"},{"address":"2600:9000:2870:9200:1:199:e6c0:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.cdn.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":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://cdn.doordash.com/","address":"2600:9000:2870:e400:1:199:e6c0:93a1","status":403,"tls":"valid"}]},"receiptId":"Mez0h3kRKU","reused":true,"measuredAt":"2026-11-02T14:54:51.515Z"}