{"kind":"host","input":"mongodb.com","report":{"host":"mongodb.com","checkedAt":"2026-10-31T14:51:05.726Z","a":{"status":"found","values":["3.33.132.188","15.197.135.80"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.mongodb.com","a":{"status":"found","values":["18.165.83.28","18.165.83.124","18.165.83.105","18.165.83.59"],"ttl":60,"via":"Cloudflare","cname":["d1zmu2nnrptrdt.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:24f4:6e00:7:7859:3840:93a1","2600:9000:24f4:ca00:7:7859:3840:93a1","2600:9000:24f4:8c00:7:7859:3840:93a1","2600:9000:24f4:f600:7:7859:3840:93a1","2600:9000:24f4:1800:7:7859:3840:93a1","2600:9000:24f4:800:7:7859:3840:93a1","2600:9000:24f4:2200:7:7859:3840:93a1","2600:9000:24f4:9200:7:7859:3840:93a1"],"ttl":60,"via":"Cloudflare","cname":["d1zmu2nnrptrdt.cloudfront.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"mongodb.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.mongodb.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:24f4:6e00:7:7859:3840:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:ca00:7:7859:3840:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:8c00:7:7859:3840:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:f600:7:7859:3840:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:1800:7:7859:3840:93a1","result":"not tested"},{"address":"2600:9000:24f4:800:7:7859:3840:93a1","result":"not tested"},{"address":"2600:9000:24f4:2200:7:7859:3840:93a1","result":"not tested"},{"address":"2600:9000:24f4:9200:7:7859:3840:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"aspmx2.googlemail.com","ipv6":true},{"host":"aspmx3.googlemail.com","ipv6":true}]},{"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-1047.awsdns-02.org","ipv6":true},{"host":"ns-1636.awsdns-12.co.uk","ipv6":true},{"host":"ns-276.awsdns-34.com","ipv6":true},{"host":"ns-868.awsdns-44.net","ipv6":true}]}]},"receiptId":"nXo9sbIV-B","reused":true,"measuredAt":"2026-10-31T14:51:05.739Z"}