{"kind":"host","input":"box.com","report":{"host":"box.com","checkedAt":"2026-10-31T12:23:39.105Z","a":{"status":"found","values":["74.112.186.157"],"ttl":38,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:117:bff0:12d::"],"ttl":57,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.box.com","a":{"status":"found","values":["103.116.7.20","103.116.7.21"],"ttl":186,"via":"Cloudflare","cname":["www.box.com.cdn.cloudflare.net"]},"aaaa":{"status":"found","values":["2620:117:bfb0:20::","2620:117:bfb0:21::"],"ttl":300,"via":"Cloudflare","cname":["www.box.com.cdn.cloudflare.net"]},"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":"box.com has an AAAA record and answers on it.","addresses":[{"address":"2620:117:bff0:12d::","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.box.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2620:117:bfb0:20::","result":"answers","port":443},{"address":"2620:117:bfb0:21::","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":"mxa-00172704.gslb.pphosted.com","ipv6":false},{"host":"mxb-00172704.gslb.pphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"8 of 8 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"dns1.p09.nsone.net","ipv6":true},{"host":"dns2.p09.nsone.net","ipv6":true},{"host":"dns3.p09.nsone.net","ipv6":true},{"host":"dns4.p09.nsone.net","ipv6":true},{"host":"ns01.box-ns.com","ipv6":true},{"host":"ns02.box-ns.com","ipv6":true},{"host":"ns03.box-ns.com","ipv6":true},{"host":"ns04.box-ns.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://box.com/","address":"2620:117:bff0:12d::","status":301,"tls":"valid"},{"url":"https://www.box.com/","address":"2620:117:bfb0:20::","status":200,"tls":"valid"}]},"receiptId":"YdCdYGKRmM"}