{"kind":"host","input":"census.gov","report":{"host":"census.gov","checkedAt":"2026-11-01T15:56:29.866Z","a":{"status":"found","values":["148.129.75.166"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2610:20:2010:a05:1000:0:9481:4ba6"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.census.gov","a":{"status":"found","values":["172.65.90.26","172.65.90.27","172.65.90.24","172.65.90.25"],"ttl":219,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:78::90:0:181","2606:4700:78::90:0:182","2606:4700:78::90:0:183","2606:4700:78::90:0:180"],"ttl":272,"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":"census.gov has an AAAA record and answers on it.","addresses":[{"address":"2610:20:2010:a05:1000:0:9481:4ba6","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.census.gov has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"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},{"address":"2606:4700:78::90:0:180","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"mail1.census.gov","ipv6":true},{"host":"mail2.census.gov","ipv6":true}]},{"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://census.gov/","address":"2610:20:2010:a05:1000:0:9481:4ba6","status":302,"tls":"valid"},{"url":"https://www.census.gov/","address":"2606:4700:78::90:0:181","status":200,"tls":"valid"}]},"receiptId":"krr1VtEvgj","reused":true,"measuredAt":"2026-11-01T15:56:29.998Z"}