{"kind":"host","input":"checkreceipts.app","report":{"host":"checkreceipts.app","checkedAt":"2026-11-04T01:39:08.247Z","a":{"status":"found","values":["172.67.164.9","104.21.74.221"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3035::6815:4add","2606:4700:3033::ac43:a409"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.checkreceipts.app","a":{"status":"found","values":["104.21.74.221","172.67.164.9"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3033::ac43:a409","2606:4700:3035::6815:4add"],"ttl":300,"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":"checkreceipts.app has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3035::6815:4add","result":"answers","port":443},{"address":"2606:4700:3033::ac43:a409","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.checkreceipts.app has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3033::ac43:a409","result":"answers","port":443},{"address":"2606:4700:3035::6815:4add","result":"answers","port":443}]},{"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":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"mallory.ns.cloudflare.com","ipv6":true},{"host":"neil.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 404.","hops":[{"url":"https://checkreceipts.app/","address":"2606:4700:3035::6815:4add","status":301,"tls":"valid"},{"url":"https://www.checkreceipts.app/","address":"2606:4700:3033::ac43:a409","status":404,"tls":"valid"}]},"receiptId":"0BG7NJu-XO","reused":true,"measuredAt":"2026-11-04T01:39:08.549Z"}