{"kind":"host","input":"us.tamu.edu","report":{"host":"us.tamu.edu","checkedAt":"2026-11-03T05:17:41.316Z","a":{"status":"found","values":["13.226.238.105","13.226.238.61","13.226.238.98","13.226.238.55"],"ttl":60,"via":"Cloudflare","cname":["d1o7gjbqn46iyg.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:201f:a400:1:b1d1:5e00:93a1","2600:9000:201f:3000:1:b1d1:5e00:93a1","2600:9000:201f:f800:1:b1d1:5e00:93a1","2600:9000:201f:9800:1:b1d1:5e00:93a1","2600:9000:201f:f000:1:b1d1:5e00:93a1","2600:9000:201f:7a00:1:b1d1:5e00:93a1","2600:9000:201f:7c00:1:b1d1:5e00:93a1","2600:9000:201f:4400:1:b1d1:5e00:93a1"],"ttl":60,"via":"Cloudflare","cname":["d1o7gjbqn46iyg.cloudfront.net"]},"verdict":"dual-stack"},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its nameservers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"us.tamu.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:201f:a400:1:b1d1:5e00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:3000:1:b1d1:5e00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:f800:1:b1d1:5e00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:9800:1:b1d1:5e00:93a1","result":"answers","port":443},{"address":"2600:9000:201f:f000:1:b1d1:5e00:93a1","result":"not tested"},{"address":"2600:9000:201f:7a00:1:b1d1:5e00:93a1","result":"not tested"},{"address":"2600:9000:201f:7c00:1:b1d1:5e00:93a1","result":"not tested"},{"address":"2600:9000:201f:4400:1:b1d1:5e00:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an 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.tamu.edu","ipv6":false},{"host":"ns2.tamu.edu","ipv6":false},{"host":"ns3.tamu.edu","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 404.","hops":[{"url":"https://us.tamu.edu/","address":"2600:9000:201f:a400:1:b1d1:5e00:93a1","status":404,"tls":"valid"}]},"receiptId":"XXHQckjilw","reused":true,"measuredAt":"2026-11-03T05:17:41.537Z"}