{"domain":"constantcontact.com","result":true,"measuredAt":"2026-11-02T04:33:53.283Z","receiptId":"EWcWv984ld","answer":{"kind":"host","input":"constantcontact.com","report":{"host":"constantcontact.com","checkedAt":"2026-11-02T04:33:53.261Z","a":{"status":"found","values":["208.75.122.14"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.constantcontact.com","a":{"status":"found","values":["104.16.207.184","104.18.128.207"],"ttl":60,"via":"Cloudflare","cname":["www.constantcontact.com.cdn.cloudflare.net"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["www.constantcontact.com.cdn.cloudflare.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":"constantcontact.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.constantcontact.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":"edgemail1.constantcontact.com","ipv6":false},{"host":"edgemail2.constantcontact.com","ipv6":false}]},{"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":"dns1.p01.nsone.net","ipv6":true},{"host":"dns2.p01.nsone.net","ipv6":true},{"host":"dns3.p01.nsone.net","ipv6":true},{"host":"dns4.p01.nsone.net","ipv6":true}]}]}},"states":[{"firstSeen":"2026-11-02T04:33:53.283Z","lastConfirmed":"2026-11-02T04:33:53.283Z","checks":1,"verdict":"ipv4-only","grade":"D","web":"fail","www":"fail","mail":"fail","dns":"pass","secondLook":null}]}