{"kind":"host","input":"semantic.inc","report":{"host":"semantic.inc","checkedAt":"2026-11-01T20:28:40.998Z","a":{"status":"found","values":["185.199.111.153","185.199.109.153","185.199.110.153","185.199.108.153"],"ttl":600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:50c0:8003::153","2606:50c0:8001::153","2606:50c0:8000::153","2606:50c0:8002::153"],"ttl":600,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.semantic.inc","a":{"status":"found","values":["185.199.111.153","185.199.109.153","185.199.110.153","185.199.108.153"],"ttl":600,"via":"Cloudflare","cname":["semantic.inc"]},"aaaa":{"status":"found","values":["2606:50c0:8003::153","2606:50c0:8001::153","2606:50c0:8000::153","2606:50c0:8002::153"],"ttl":600,"via":"Cloudflare","cname":["semantic.inc"]},"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":"semantic.inc has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:50c0:8003::153","result":"answers","port":443},{"address":"2606:50c0:8001::153","result":"answers","port":443},{"address":"2606:50c0:8000::153","result":"answers","port":443},{"address":"2606:50c0:8002::153","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.semantic.inc has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:50c0:8003::153","result":"answers","port":443},{"address":"2606:50c0:8001::153","result":"answers","port":443},{"address":"2606:50c0:8000::153","result":"answers","port":443},{"address":"2606:50c0:8002::153","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"alt4.aspmx.l.google.com","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":"ns65.domaincontrol.com","ipv6":true},{"host":"ns66.domaincontrol.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://semantic.inc/","address":"2606:50c0:8003::153","status":200,"tls":"valid"}]},"receiptId":"kDSrevu6mX","reused":true,"measuredAt":"2026-11-01T20:28:41.076Z"}