{"kind":"host","input":"email.segment.com","report":{"host":"email.segment.com","checkedAt":"2026-11-01T13:41:39.917Z","a":{"status":"found","values":["35.227.225.220"],"ttl":60,"via":"Cloudflare","cname":["e.customeriomail.com","track.customer.io","edge-e-balw.customer.io","edge-east.customer.io"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["e.customeriomail.com","track.customer.io","edge-e-balw.customer.io","edge-east.customer.io"]},"verdict":"ipv4-only"},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"email.segment.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has no AAAA record."},{"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-1205.awsdns-22.org","ipv6":true},{"host":"ns-1681.awsdns-18.co.uk","ipv6":true},{"host":"ns-386.awsdns-48.com","ipv6":true},{"host":"ns-677.awsdns-20.net","ipv6":true}]}]},"receiptId":"Md4f-kXafl","reused":true,"measuredAt":"2026-11-01T13:41:39.938Z"}