{"kind":"host","input":"zoom.us","report":{"host":"zoom.us","checkedAt":"2026-10-31T18:10:20.537Z","a":{"status":"found","values":["170.114.52.2"],"ttl":56,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2407:30c0:182::aa72:3402"],"ttl":21,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.zoom.us","a":{"status":"found","values":["170.114.52.2"],"ttl":45,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2407:30c0:182::aa72:3402"],"ttl":38,"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":"zoom.us has an AAAA record and answers on it.","addresses":[{"address":"2407:30c0:182::aa72:3402","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.zoom.us has an AAAA record and answers on it.","addresses":[{"address":"2407:30c0:182::aa72:3402","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-00569201.gslb.pphosted.com","ipv6":false},{"host":"mxb-00569201.gslb.pphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-1137.awsdns-14.org","ipv6":true},{"host":"ns-1772.awsdns-29.co.uk","ipv6":true},{"host":"ns-387.awsdns-48.com","ipv6":true},{"host":"ns-888.awsdns-47.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://zoom.us/","address":"2407:30c0:182::aa72:3402","status":301,"tls":"valid"},{"url":"https://www.zoom.com/","address":"2407:30c0:183::aa72:4e50","status":200,"tls":"valid"}]},"receiptId":"-L2apbYopo"}