{"kind":"host","input":"portal.census.gov","report":{"host":"portal.census.gov","checkedAt":"2026-11-02T05:41:10.342Z","a":{"status":"found","values":["148.129.75.206"],"ttl":900,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2610:20:2010:a05:1000:0:9481:4bc3"],"ttl":900,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.portal.census.gov","a":{"status":"found","values":["148.129.75.206"],"ttl":900,"via":"Cloudflare","cname":["portal.census.gov"]},"aaaa":{"status":"found","values":["2610:20:2010:a05:1000:0:9481:4bc3"],"ttl":900,"via":"Cloudflare","cname":["portal.census.gov"]},"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":"portal.census.gov has an AAAA record and answers on it.","addresses":[{"address":"2610:20:2010:a05:1000:0:9481:4bc3","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.portal.census.gov has an AAAA record and answers on it.","addresses":[{"address":"2610:20:2010:a05:1000:0:9481:4bc3","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: HTTP 200.","hops":[{"url":"https://portal.census.gov/","address":"2610:20:2010:a05:1000:0:9481:4bc3","status":200,"tls":"valid"}]},"receiptId":"5ZqpNZXu_k","reused":true,"measuredAt":"2026-11-02T05:41:10.408Z"}