{"kind":"host","input":"pop3.arcor.de","report":{"host":"pop3.arcor.de","checkedAt":"2026-11-15T17:19:12.079Z","a":{"status":"found","values":["151.189.176.206","178.15.69.206"],"ttl":523,"via":"Cloudflare","cname":["pop.vodafonemail.de"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["pop.vodafonemail.de"]},"verdict":"ipv4-only"},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"pop3.arcor.de 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":"3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.arcor-ip.de","ipv6":true},{"host":"ns2.arcor-ip.de","ipv6":true},{"host":"ns3.arcor-ip.de","ipv6":true}]}]},"receiptId":"a4O3dJXUVy","reused":true,"measuredAt":"2026-11-15T17:19:12.280Z"}