{"kind":"host","input":"4-tech.org","report":{"host":"4-tech.org","checkedAt":"2026-11-02T03:51:09.064Z","a":{"status":"found","values":["172.67.145.2","104.21.95.138"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3036::6815:5f8a","2606:4700:3033::ac43:9102"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.4-tech.org","a":{"status":"found","values":["172.67.145.2","104.21.95.138"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3036::6815:5f8a","2606:4700:3033::ac43:9102"],"ttl":300,"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":"4-tech.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3036::6815:5f8a","result":"answers","port":443},{"address":"2606:4700:3033::ac43:9102","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.4-tech.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3036::6815:5f8a","result":"answers","port":443},{"address":"2606:4700:3033::ac43:9102","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":"fish.ns.cloudflare.com","ipv6":true},{"host":"gerald.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://4-tech.org/","address":"2606:4700:3036::6815:5f8a","status":200,"tls":"valid"}]},"receiptId":"VLRvDEOgNx","reused":true,"measuredAt":"2026-11-02T03:51:09.719Z"}