{"kind":"host","input":"exchange.nyu.edu","report":{"host":"exchange.nyu.edu","checkedAt":"2026-11-03T03:59:03.841Z","a":{"status":"found","values":["128.122.130.1"],"ttl":12000,"via":"Cloudflare","cname":["EXCHANGE.STERN.nyu.edu"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["EXCHANGE.STERN.nyu.edu"]},"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.nyu.edu 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":"pass","detail":"2 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.nyu.net","ipv6":true},{"host":"ns2.nyu.org","ipv6":true},{"host":"ns4.nyu.edu","ipv6":false}]}]},"receiptId":"kLmRMwhkm1","reused":true,"measuredAt":"2026-11-03T03:59:03.855Z"}