{"kind":"host","input":"robertsinstitute.org","report":{"host":"robertsinstitute.org","checkedAt":"2026-11-14T16:36:46.748Z","a":{"status":"found","values":["162.159.140.166"],"ttl":14400,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.robertsinstitute.org","a":{"status":"found","values":["104.18.35.90","172.64.152.166"],"ttl":300,"via":"Cloudflare","cname":["sites.ludicrous.cloud"]},"aaaa":{"status":"found","values":["2a06:98c1:3102::6812:235a","2606:4700:440b::ac40:98a6"],"ttl":300,"via":"Cloudflare","cname":["sites.ludicrous.cloud"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"robertsinstitute.org has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.robertsinstitute.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a06:98c1:3102::6812:235a","result":"answers","port":443},{"address":"2606:4700:440b::ac40:98a6","result":"answers","port":443}]},{"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":"ns68.worldnic.com","ipv6":false},{"host":"ns67.worldnic.com","ipv6":false}]}]},"receiptId":"m1Xq-t8Cx3","reused":true,"measuredAt":"2026-11-14T16:36:46.769Z"}