{"kind":"host","input":"microsoft365domain.com","report":{"host":"microsoft365domain.com","checkedAt":"2026-10-31T08:55:18.401Z","a":{"status":"found","values":["104.21.80.43","172.67.174.18"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3033::ac43:ae12","2606:4700:3036::6815:502b"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.microsoft365domain.com","a":{"status":"found","values":["104.21.80.43","172.67.174.18"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3033::ac43:ae12","2606:4700:3036::6815:502b"],"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":"microsoft365domain.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3033::ac43:ae12","result":"answers","port":443},{"address":"2606:4700:3036::6815:502b","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.microsoft365domain.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3033::ac43:ae12","result":"answers","port":443},{"address":"2606:4700:3036::6815:502b","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"microsoft365domain-com.mail.protection.outlook.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":"neil.ns.cloudflare.com","ipv6":true},{"host":"rafe.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://microsoft365domain.com/","address":"2606:4700:3033::ac43:ae12","status":403,"tls":"valid"}]},"receiptId":"2cQeOGYqOI"}