{"kind":"host","input":"illinois.gov","report":{"host":"illinois.gov","checkedAt":"2026-11-02T19:42:03.566Z","a":{"status":"found","values":["216.124.54.81"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.illinois.gov","a":{"status":"found","values":["23.48.203.166","23.48.203.182"],"ttl":20,"via":"Cloudflare","cname":["www.illinois.gov.edgekey.net","e86023.dscb.akamaiedge.net"]},"aaaa":{"status":"found","values":["2600:1408:ec00:b::1730:cbb6","2600:1408:ec00:b::1730:cba6"],"ttl":20,"via":"Cloudflare","cname":["www.illinois.gov.edgekey.net","e86023.dscb.akamaiedge.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"illinois.gov has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.illinois.gov has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:ec00:b::1730:cbb6","result":"answers","port":443},{"address":"2600:1408:ec00:b::1730:cba6","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"smtpin07.illinois.gov","ipv6":false},{"host":"smtpin06.illinois.gov","ipv6":false},{"host":"smtpin02.illinois.gov","ipv6":false},{"host":"smtpin01.illinois.gov","ipv6":false}]},{"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":"ns2.state.il.us","ipv6":false},{"host":"ns1.state.il.us","ipv6":false}]}]},"receiptId":"4QMlykb9Wu","reused":true,"measuredAt":"2026-11-02T19:42:03.665Z"}