{"kind":"host","input":"cloud.illinois.edu","report":{"host":"cloud.illinois.edu","checkedAt":"2026-11-03T08:32:17.116Z","a":{"status":"found","values":["13.227.65.116","13.227.65.17","13.227.65.8","13.227.65.72"],"ttl":60,"via":"Cloudflare","cname":["d20cwi96nz0sus.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:2202:7c00:13:20bc:4500:93a1","2600:9000:2202:5200:13:20bc:4500:93a1","2600:9000:2202:c00:13:20bc:4500:93a1","2600:9000:2202:9600:13:20bc:4500:93a1","2600:9000:2202:1e00:13:20bc:4500:93a1","2600:9000:2202:ac00:13:20bc:4500:93a1","2600:9000:2202:e200:13:20bc:4500:93a1","2600:9000:2202:800:13:20bc:4500:93a1"],"ttl":60,"via":"Cloudflare","cname":["d20cwi96nz0sus.cloudfront.net"]},"verdict":"dual-stack","www":{"host":"www.cloud.illinois.edu","a":{"status":"found","values":["13.227.65.116","13.227.65.17","13.227.65.72","13.227.65.8"],"ttl":60,"via":"Cloudflare","cname":["d20cwi96nz0sus.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:2202:1a00:13:20bc:4500:93a1","2600:9000:2202:d600:13:20bc:4500:93a1","2600:9000:2202:dc00:13:20bc:4500:93a1","2600:9000:2202:c800:13:20bc:4500:93a1","2600:9000:2202:9e00:13:20bc:4500:93a1","2600:9000:2202:f600:13:20bc:4500:93a1","2600:9000:2202:ae00:13:20bc:4500:93a1","2600:9000:2202:cc00:13:20bc:4500:93a1"],"ttl":60,"via":"Cloudflare","cname":["d20cwi96nz0sus.cloudfront.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"cloud.illinois.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2202:7c00:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:5200:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:c00:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:9600:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:1e00:13:20bc:4500:93a1","result":"not tested"},{"address":"2600:9000:2202:ac00:13:20bc:4500:93a1","result":"not tested"},{"address":"2600:9000:2202:e200:13:20bc:4500:93a1","result":"not tested"},{"address":"2600:9000:2202:800:13:20bc:4500:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.cloud.illinois.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2202:1a00:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:d600:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:dc00:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:c800:13:20bc:4500:93a1","result":"answers","port":443},{"address":"2600:9000:2202:9e00:13:20bc:4500:93a1","result":"not tested"},{"address":"2600:9000:2202:f600:13:20bc:4500:93a1","result":"not tested"},{"address":"2600:9000:2202:ae00:13:20bc:4500:93a1","result":"not tested"},{"address":"2600:9000:2202:cc00:13:20bc:4500:93a1","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":"pass","detail":"3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"dns1.illinois.edu","ipv6":true},{"host":"dns2.illinois.edu","ipv6":true},{"host":"dns3.illinois.edu","ipv6":true}]}]},"https":{"status":"fail","problem":"redirect-no-ipv6","summary":"Redirects to techservices.illinois.edu, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.","hops":[{"url":"https://cloud.illinois.edu/","address":"2600:9000:2202:7c00:13:20bc:4500:93a1","status":302,"tls":"valid"},{"url":"https://techservices.illinois.edu/cloud-services/","note":"redirects to techservices.illinois.edu, which has no IPv6 address"}]},"receiptId":"V4nZIGO8q_","reused":true,"measuredAt":"2026-11-03T08:32:17.360Z"}