{"kind":"host","input":"drawdown.org","report":{"host":"drawdown.org","checkedAt":"2026-11-04T12:52:38.094Z","a":{"status":"found","values":["23.185.0.4"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:12a:8000::4","2620:12a:8001::4"],"ttl":3600,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.drawdown.org","a":{"status":"found","values":["23.185.0.4"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:12a:8001::4","2620:12a:8000::4"],"ttl":3600,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"drawdown.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2620:12a:8000::4","result":"answers","port":443},{"address":"2620:12a:8001::4","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.drawdown.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2620:12a:8001::4","result":"answers","port":443},{"address":"2620:12a:8000::4","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"alt4.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"aspmx.l.google.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.tigertech.net","ipv6":true},{"host":"ns3.tigertech.org","ipv6":true},{"host":"ns2.tigertech.biz","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://drawdown.org/","address":"2620:12a:8000::4","status":200,"tls":"valid"}]},"receiptId":"t_Fro-wKMM","reused":true,"measuredAt":"2026-11-04T12:52:38.159Z"}