{"kind":"host","input":"reddit.com","report":{"host":"reddit.com","checkedAt":"2026-10-30T23:34:10.402Z","a":{"status":"found","values":["151.101.193.140","151.101.65.140","151.101.129.140","151.101.1.140"],"ttl":189,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a04:4e42:600::396","2a04:4e42:200::396","2a04:4e42::396","2a04:4e42:400::396"],"ttl":7,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.reddit.com","a":{"status":"found","values":["151.101.1.140","151.101.65.140","151.101.129.140","151.101.193.140"],"ttl":37,"via":"Cloudflare","cname":["reddit.map.fastly.net"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["reddit.map.fastly.net"]},"verdict":"ipv4-only"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: www doesn't fully work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"reddit.com has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a04:4e42:600::396","result":"answers","port":443},{"address":"2a04:4e42:200::396","result":"answers","port":443},{"address":"2a04:4e42::396","result":"answers","port":443},{"address":"2a04:4e42:400::396","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.reddit.com has no AAAA record."},{"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":"aspmx2.googlemail.com","ipv6":true},{"host":"aspmx3.googlemail.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.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-1029.awsdns-00.org","ipv6":true},{"host":"ns-1887.awsdns-43.co.uk","ipv6":true},{"host":"ns-378.awsdns-47.com","ipv6":true},{"host":"ns-557.awsdns-05.net","ipv6":true}]}]},"https":{"status":"fail","problem":"redirect-no-ipv6","summary":"Redirects to www.reddit.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.","hops":[{"url":"https://reddit.com/","address":"2a04:4e42:600::396","status":301,"tls":"valid"},{"url":"https://www.reddit.com/","note":"redirects to www.reddit.com, which has no IPv6 address"}]},"receiptId":"cxf2BzJf7_"}