{"kind":"host","input":"calendar.virginia.edu","report":{"host":"calendar.virginia.edu","checkedAt":"2026-11-03T09:51:47.905Z","a":{"status":"found","values":["128.143.86.3"],"ttl":3600,"via":"Cloudflare","cname":["linux-web-cluster.its.virginia.edu"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["linux-web-cluster.its.virginia.edu"]},"verdict":"ipv4-only","www":{"host":"www.calendar.virginia.edu","a":{"status":"found","values":["128.143.86.3"],"ttl":3600,"via":"Cloudflare","cname":["calendar.virginia.edu","linux-web-cluster.its.virginia.edu"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["calendar.virginia.edu","linux-web-cluster.its.virginia.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":"calendar.virginia.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.calendar.virginia.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":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"eip-01-aws.net.virginia.edu","ipv6":false},{"host":"nom.virginia.edu","ipv6":false},{"host":"uvaarpa.virginia.edu","ipv6":false}]}]},"receiptId":"YVFbmkHqQ5","reused":true,"measuredAt":"2026-11-03T09:51:47.929Z"}