{"kind":"host","input":"rkbbooks.shop","report":{"host":"rkbbooks.shop","checkedAt":"2026-10-30T18:24:40.139Z","a":{"status":"found","values":["23.227.38.67"],"ttl":86400,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:127:f00f:7::"],"ttl":86400,"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":"rkbbooks.shop has an AAAA record and answers on it.","addresses":[{"address":"2620:127:f00f:7::","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":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-cloud-e3.googledomains.com","ipv6":true},{"host":"ns-cloud-e2.googledomains.com","ipv6":true},{"host":"ns-cloud-e1.googledomains.com","ipv6":true},{"host":"ns-cloud-e4.googledomains.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"rkbbooks.shop didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).","hops":[{"url":"https://rkbbooks.shop/","address":"2620:127:f00f:7::","note":"ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE"}]},"receiptId":"maZU9PM1MJ"}