{"kind":"host","input":"calendly.com","report":{"host":"calendly.com","checkedAt":"2026-10-31T14:40:43.076Z","a":{"status":"found","values":["104.18.41.175","172.64.146.81"],"ttl":7,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:440d::6812:29af","2606:4700:4403::ac40:9251"],"ttl":47,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.calendly.com","a":{"status":"found","values":["104.18.41.175","172.64.146.81"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:4403::ac40:9251","2606:4700:440d::6812:29af"],"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":"calendly.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:440d::6812:29af","result":"answers","port":443},{"address":"2606:4700:4403::ac40:9251","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.calendly.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:4403::ac40:9251","result":"answers","port":443},{"address":"2606:4700:440d::6812:29af","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":"aspmx2.googlemail.com","ipv6":true},{"host":"aspmx3.googlemail.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":"hope.ns.cloudflare.com","ipv6":true},{"host":"roan.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://calendly.com/","address":"2606:4700:440d::6812:29af","status":200,"tls":"valid"}]},"receiptId":"jzWmrWe3iz","reused":true,"measuredAt":"2026-10-31T14:40:43.178Z"}