{"kind":"host","input":"slackdata.org","report":{"host":"slackdata.org","checkedAt":"2026-11-08T02:33:44.080Z","a":{"status":"found","values":["3.162.125.22","3.162.125.102","3.162.125.8","3.162.125.6"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:2479:6200:13:bb0e:61c0:93a1","2600:9000:2479:c600:13:bb0e:61c0:93a1","2600:9000:2479:7600:13:bb0e:61c0:93a1","2600:9000:2479:3000:13:bb0e:61c0:93a1","2600:9000:2479:e800:13:bb0e:61c0:93a1","2600:9000:2479:fa00:13:bb0e:61c0:93a1","2600:9000:2479:e200:13:bb0e:61c0:93a1","2600:9000:2479:a200:13:bb0e:61c0:93a1"],"ttl":60,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.slackdata.org","a":{"status":"found","values":["3.162.125.22","3.162.125.102","3.162.125.8","3.162.125.6"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:2479:4c00:13:bb0e:61c0:93a1","2600:9000:2479:5400:13:bb0e:61c0:93a1","2600:9000:2479:b200:13:bb0e:61c0:93a1","2600:9000:2479:9c00:13:bb0e:61c0:93a1","2600:9000:2479:4800:13:bb0e:61c0:93a1","2600:9000:2479:800:13:bb0e:61c0:93a1","2600:9000:2479:be00:13:bb0e:61c0:93a1","2600:9000:2479:6200:13:bb0e:61c0:93a1"],"ttl":60,"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":"slackdata.org has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2479:6200:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:c600:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:7600:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:3000:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:e800:13:bb0e:61c0:93a1","result":"not tested"},{"address":"2600:9000:2479:fa00:13:bb0e:61c0:93a1","result":"not tested"},{"address":"2600:9000:2479:e200:13:bb0e:61c0:93a1","result":"not tested"},{"address":"2600:9000:2479:a200:13:bb0e:61c0:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.slackdata.org has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2479:4c00:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:5400:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:b200:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:9c00:13:bb0e:61c0:93a1","result":"answers","port":443},{"address":"2600:9000:2479:4800:13:bb0e:61c0:93a1","result":"not tested"},{"address":"2600:9000:2479:800:13:bb0e:61c0:93a1","result":"not tested"},{"address":"2600:9000:2479:be00:13:bb0e:61c0:93a1","result":"not tested"},{"address":"2600:9000:2479:6200:13:bb0e:61c0:93a1","result":"not tested"}]},{"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":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-1300.awsdns-34.org","ipv6":true},{"host":"ns-1599.awsdns-07.co.uk","ipv6":true},{"host":"ns-3.awsdns-00.com","ipv6":true},{"host":"ns-851.awsdns-42.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://slackdata.org/","address":"2600:9000:2479:6200:13:bb0e:61c0:93a1","status":200,"tls":"valid"}]},"receiptId":"b5tbTSqa11","reused":true,"measuredAt":"2026-11-08T02:33:44.409Z"}