{"kind":"host","input":"revstonebooks.com","report":{"host":"revstonebooks.com","checkedAt":"2026-11-09T13:43:51.860Z","a":{"status":"found","values":["104.21.23.106","172.67.210.128"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3035::ac43:d280","2606:4700:3034::6815:176a"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.revstonebooks.com","a":{"status":"found","values":["172.67.210.128","104.21.23.106"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3034::6815:176a","2606:4700:3035::ac43:d280"],"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":"revstonebooks.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3035::ac43:d280","result":"answers","port":443},{"address":"2606:4700:3034::6815:176a","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.revstonebooks.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3034::6815:176a","result":"answers","port":443},{"address":"2606:4700:3035::ac43:d280","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"smtp.google.com","ipv6":true}]},{"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":"asa.ns.cloudflare.com","ipv6":true},{"host":"bart.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"fail","problem":"redirect-no-ipv6","summary":"Redirects to revstone.co, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.","hops":[{"url":"https://revstonebooks.com/","address":"2606:4700:3035::ac43:d280","status":301,"tls":"valid"},{"url":"https://revstone.co/","note":"redirects to revstone.co, which has no IPv6 address"}]},"receiptId":"i7HITElFBi","reused":true,"measuredAt":"2026-11-09T13:43:51.914Z"}