{"kind":"host","input":"crowdstrike.com","report":{"host":"crowdstrike.com","checkedAt":"2026-11-02T05:32:08.520Z","a":{"status":"found","values":["23.212.249.83","23.212.249.88"],"ttl":11,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:1408:c400:16::17d4:f804","2600:1408:c400:16::17d4:f810"],"ttl":18,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.crowdstrike.com","a":{"status":"found","values":["23.212.249.88","23.212.249.83"],"ttl":20,"via":"Cloudflare","cname":["crowdstrike.com.edgekey.net","e207073.dsca.akamaiedge.net"]},"aaaa":{"status":"found","values":["2600:1408:c400:16::17d4:f810","2600:1408:c400:16::17d4:f804"],"ttl":20,"via":"Cloudflare","cname":["crowdstrike.com.edgekey.net","e207073.dsca.akamaiedge.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"C","summary":"Works over IPv6, with gaps: its mail servers lack IPv6; its nameservers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"crowdstrike.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:16::17d4:f804","result":"answers","port":443},{"address":"2600:1408:c400:16::17d4:f810","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.crowdstrike.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:16::17d4:f810","result":"answers","port":443},{"address":"2600:1408:c400:16::17d4:f804","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":"mxa-00206402.gslb.pphosted.com","ipv6":false},{"host":"mxb-00206402.gslb.pphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns1.crowdstrike.com","ipv6":false},{"host":"ns2.crowdstrike.com","ipv6":false},{"host":"ns3.crowdstrike.com","ipv6":false},{"host":"ns4.crowdstrike.com","ipv6":false},{"host":"ns5.crowdstrike.com","ipv6":false},{"host":"ns6.crowdstrike.com","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.","hops":[{"url":"https://crowdstrike.com/","address":"2600:1408:c400:16::17d4:f804","status":301,"tls":"valid"},{"url":"https://www.crowdstrike.com/","address":"2600:1408:c400:16::17d4:f810","status":301,"tls":"valid"},{"url":"https://www.crowdstrike.com/en-us/","address":"2600:1408:c400:16::17d4:f810","status":200,"tls":"valid"}]},"receiptId":"qkanA19gru","reused":true,"measuredAt":"2026-11-02T05:32:10.528Z"}