{"kind":"host","input":"ftp.census.gov","report":{"host":"ftp.census.gov","checkedAt":"2026-11-01T22:16:52.170Z","a":{"status":"found","values":["148.129.75.35"],"ttl":900,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2610:20:2010:a09:1000:0:9481:4b23"],"ttl":900,"via":"Cloudflare","cname":[]},"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":"ftp.census.gov has an AAAA record and answers on it.","addresses":[{"address":"2610:20:2010:a09:1000:0:9481:4b23","result":"answers","port":443}]},{"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":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1e.census.gov","ipv6":true},{"host":"ns2e.census.gov","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://ftp.census.gov/","address":"2610:20:2010:a09:1000:0:9481:4b23","status":302,"tls":"valid"},{"url":"https://www2.census.gov/","address":"2606:4700:78::90:0:181","status":200,"tls":"valid"}]},"receiptId":"cSF4r4I5Pb","reused":true,"measuredAt":"2026-11-01T22:16:52.285Z"}