{"kind":"host","input":"courseshubspot.com","report":{"host":"courseshubspot.com","checkedAt":"2026-11-05T21:16:31.468Z","a":{"status":"found","values":["3.64.173.20","63.179.187.176","52.28.17.60"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.courseshubspot.com","a":{"status":"found","values":["52.28.17.60","3.64.173.20","63.179.187.176"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"courseshubspot.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.courseshubspot.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mail.courseshubspot.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-120.awsdns-15.com","ipv6":true},{"host":"ns-1334.awsdns-38.org","ipv6":true},{"host":"ns-1767.awsdns-28.co.uk","ipv6":true},{"host":"ns-868.awsdns-44.net","ipv6":true}]}]},"receiptId":"CDGcYJydV_","reused":true,"measuredAt":"2026-11-05T21:16:31.504Z"}