{"kind":"host","input":"ringcentral.com","report":{"host":"ringcentral.com","checkedAt":"2026-11-02T10:12:52.691Z","a":{"status":"found","values":["66.81.247.6","66.81.247.250"],"ttl":31,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.ringcentral.com","a":{"status":"found","values":["66.81.247.6","66.81.247.250"],"ttl":137,"via":"Cloudflare","cname":["www-cf.ringcentral.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["www-cf.ringcentral.com"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"ringcentral.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.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":"mxa-002b2c01.gslb.pphosted.com","ipv6":false},{"host":"mxb-002b2c01.gslb.pphosted.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":"0qpmDPXD8a","reused":true,"measuredAt":"2026-11-02T10:12:52.761Z"}