{"kind":"host","input":"darn-toughnz.com","report":{"host":"darn-toughnz.com","checkedAt":"2026-10-31T23:02:53.368Z","a":{"status":"found","values":["172.67.162.88","104.21.15.110"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:a258","2606:4700:3036::6815:f6e"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.darn-toughnz.com","a":{"status":"found","values":["104.21.15.110","172.67.162.88"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:a258","2606:4700:3036::6815:f6e"],"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":"darn-toughnz.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:a258","result":"answers","port":443},{"address":"2606:4700:3036::6815:f6e","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.darn-toughnz.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:a258","result":"answers","port":443},{"address":"2606:4700:3036::6815:f6e","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":"keira.ns.cloudflare.com","ipv6":true},{"host":"patryk.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://darn-toughnz.com/","address":"2606:4700:3037::ac43:a258","status":403,"tls":"valid"}]},"receiptId":"P-ZEswZgP_","reused":true,"measuredAt":"2026-10-31T23:02:53.408Z"}