{"kind":"host","input":"exchange.ringcentral.com","report":{"host":"exchange.ringcentral.com","checkedAt":"2026-11-03T01:39:28.177Z","a":{"status":"found","values":["63.203.44.226"],"ttl":900,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"exchange.ringcentral.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"exchange.ringcentral.com","ipv6":false}]},{"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":"alfred.ns.cloudflare.com","ipv6":true},{"host":"deb.ns.cloudflare.com","ipv6":true}]}]},"receiptId":"7Qbw1vpRLU","reused":true,"measuredAt":"2026-11-03T01:39:28.197Z"}