{"kind":"host","input":"login-auth-microsoft.com","report":{"host":"login-auth-microsoft.com","checkedAt":"2026-11-11T22:26:12.981Z","a":{"status":"found","values":["172.67.133.214","104.21.5.207"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:85d6","2606:4700:3034::6815:5cf"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.login-auth-microsoft.com","a":{"status":"found","values":["172.67.133.214","104.21.5.207"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:85d6","2606:4700:3034::6815:5cf"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"login-auth-microsoft.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:85d6","result":"answers","port":443},{"address":"2606:4700:3034::6815:5cf","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.login-auth-microsoft.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:85d6","result":"answers","port":443},{"address":"2606:4700:3034::6815:5cf","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mail.login-auth-microsoft.com","ipv6":false},{"host":"_dc-mx.81f58d48fe0a.login-auth-microsoft.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":"annalise.ns.cloudflare.com","ipv6":true},{"host":"guss.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 404.","hops":[{"url":"https://login-auth-microsoft.com/","address":"2606:4700:3032::ac43:85d6","status":404,"tls":"valid"}]},"receiptId":"qWGPtr8NnZ","reused":true,"measuredAt":"2026-11-11T22:26:13.624Z"}