{"kind":"host","input":"americanexpress.com","report":{"host":"americanexpress.com","checkedAt":"2026-11-02T04:37:19.307Z","a":{"status":"found","values":["23.13.149.244"],"ttl":20,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.americanexpress.com","a":{"status":"found","values":["23.13.149.244"],"ttl":20,"via":"Cloudflare","cname":["www.americanexpress.com.edgekey.net","e14893.x.akamaiedge.net"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["www.americanexpress.com.edgekey.net","e14893.x.akamaiedge.net"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"americanexpress.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.americanexpress.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":"mx0b-0023b801.pphosted.com","ipv6":false},{"host":"mx0a-0023b801.pphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"a9-65.akam.net","ipv6":true},{"host":"a13-65.akam.net","ipv6":true},{"host":"a1-196.akam.net","ipv6":true},{"host":"a24-67.akam.net","ipv6":true},{"host":"a22-66.akam.net","ipv6":true},{"host":"a8-64.akam.net","ipv6":true}]}]},"receiptId":"oNpmeHvQX-","reused":true,"measuredAt":"2026-11-02T04:37:19.350Z"}