{"kind":"host","input":"doubleverify.com","report":{"host":"doubleverify.com","checkedAt":"2026-10-31T02:52:12.196Z","a":{"status":"found","values":["199.60.103.65","199.60.103.165"],"ttl":900,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.doubleverify.com","a":{"status":"found","values":["199.60.103.31","199.60.103.225"],"ttl":120,"via":"Cloudflare","cname":["46126064.group14.sites.hubspot.net","group14.sites.hscoscdn10.net"]},"aaaa":{"status":"found","values":["2606:2c40::c73c:671f","2606:2c40::c73c:67e1"],"ttl":120,"via":"Cloudflare","cname":["46126064.group14.sites.hubspot.net","group14.sites.hscoscdn10.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"doubleverify.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.doubleverify.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:2c40::c73c:671f","result":"answers","port":443},{"address":"2606:2c40::c73c:67e1","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":"mxb-005c0b02.gslb.pphosted.com","ipv6":false},{"host":"mxa-005c0b02.gslb.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":"a5-66.akam.net","ipv6":true},{"host":"a9-67.akam.net","ipv6":true},{"host":"a1-158.akam.net","ipv6":true},{"host":"a24-64.akam.net","ipv6":true},{"host":"a22-67.akam.net","ipv6":true},{"host":"a26-65.akam.net","ipv6":true}]}]},"receiptId":"uljzxE0ceh"}