{"domain":"justice.gov","result":true,"measuredAt":"2026-11-01T22:04:36.540Z","receiptId":"SgUd-5bwPr","answer":{"kind":"host","input":"justice.gov","report":{"host":"justice.gov","checkedAt":"2026-11-01T22:04:36.163Z","a":{"status":"found","values":["172.65.90.24","172.65.90.25","172.65.90.26","172.65.90.27"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:78::90:0:180","2606:4700:78::90:0:181","2606:4700:78::90:0:182","2606:4700:78::90:0:183"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.justice.gov","a":{"status":"found","values":["104.86.83.167"],"ttl":20,"via":"Cloudflare","cname":["www.justice.gov.edgekey.net","e7598.dscb.akamaiedge.net"]},"aaaa":{"status":"found","values":["2600:1408:c400:f8b::1dae","2600:1408:c400:f80::1dae"],"ttl":20,"via":"Cloudflare","cname":["www.justice.gov.edgekey.net","e7598.dscb.akamaiedge.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"justice.gov has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:78::90:0:180","result":"answers","port":443},{"address":"2606:4700:78::90:0:181","result":"answers","port":443},{"address":"2606:4700:78::90:0:182","result":"answers","port":443},{"address":"2606:4700:78::90:0:183","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.justice.gov has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:f8b::1dae","result":"answers","port":443},{"address":"2600:1408:c400:f80::1dae","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":"mxa-00a6fb01.gslb.gpphosted.com","ipv6":false},{"host":"mxb-00a6fb01.gslb.gpphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"jonah.ns.cloudflare.com","ipv6":true},{"host":"novalee.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://justice.gov/","address":"2606:4700:78::90:0:180","status":301,"tls":"valid"},{"url":"https://www.justice.gov/","address":"2600:1408:c400:f8b::1dae","status":200,"tls":"valid"}]}},"states":[{"firstSeen":"2026-11-01T22:04:36.540Z","lastConfirmed":"2026-11-01T22:04:36.540Z","checks":1,"verdict":"dual-stack","grade":"B","web":"pass","www":"pass","mail":"fail","dns":"pass","secondLook":null}]}