{"kind":"host","input":"techcrunch.com","report":{"host":"techcrunch.com","checkedAt":"2026-10-31T11:06:01.374Z","a":{"status":"found","values":["104.18.16.5","104.18.17.5"],"ttl":258,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:1105","2606:4700::6812:1005"],"ttl":47,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.techcrunch.com","a":{"status":"found","values":["104.18.17.5","104.18.16.5"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:1005","2606:4700::6812:1105"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"techcrunch.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:1105","result":"answers","port":443},{"address":"2606:4700::6812:1005","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.techcrunch.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:1005","result":"answers","port":443},{"address":"2606:4700::6812:1105","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"usb-smtp-inbound-1.mimecast.com","ipv6":false},{"host":"usb-smtp-inbound-2.mimecast.com","ipv6":false}]},{"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":"elly.ns.cloudflare.com","ipv6":true},{"host":"gordon.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://techcrunch.com/","address":"2606:4700::6812:1105","status":200,"tls":"valid"}]},"receiptId":"mfsgIg-reJ"}