{"kind":"host","input":"autodiscover.usmc.mil","report":{"host":"autodiscover.usmc.mil","checkedAt":"2026-11-15T17:48:36.693Z","a":{"status":"found","values":["138.156.55.198"],"ttl":856,"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":"autodiscover.usmc.mil has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has no AAAA record."},{"key":"dns","label":"Nameservers have IPv6","status":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns1-east.usmc.mil","ipv6":false},{"host":"ns1-west.usmc.mil","ipv6":false},{"host":"ns2-east.usmc.mil","ipv6":false},{"host":"ns2-west.usmc.mil","ipv6":false}]}]},"receiptId":"0pwN_KhER1","reused":true,"measuredAt":"2026-11-15T17:48:36.850Z"}