{"kind":"host","input":"pubmatic.com","report":{"host":"pubmatic.com","checkedAt":"2026-10-31T00:56:17.240Z","a":{"status":"found","values":["18.165.98.111","18.165.98.27","18.165.98.77","18.165.98.36"],"ttl":21,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:24f5:d000:1a:89bc:d200:93a1","2600:9000:24f5:600:1a:89bc:d200:93a1","2600:9000:24f5:a600:1a:89bc:d200:93a1","2600:9000:24f5:8200:1a:89bc:d200:93a1","2600:9000:24f5:6200:1a:89bc:d200:93a1","2600:9000:24f5:5000:1a:89bc:d200:93a1","2600:9000:24f5:ce00:1a:89bc:d200:93a1","2600:9000:24f5:fe00:1a:89bc:d200:93a1"],"ttl":60,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.pubmatic.com","a":{"status":"found","values":["18.165.98.36","18.165.98.27","18.165.98.77","18.165.98.111"],"ttl":60,"via":"Cloudflare","cname":["pubmatic.com"]},"aaaa":{"status":"found","values":["2600:9000:24f5:800:1a:89bc:d200:93a1","2600:9000:24f5:1c00:1a:89bc:d200:93a1","2600:9000:24f5:c600:1a:89bc:d200:93a1","2600:9000:24f5:5e00:1a:89bc:d200:93a1","2600:9000:24f5:9000:1a:89bc:d200:93a1","2600:9000:24f5:8800:1a:89bc:d200:93a1","2600:9000:24f5:c400:1a:89bc:d200:93a1","2600:9000:24f5:7400:1a:89bc:d200:93a1"],"ttl":60,"via":"Cloudflare","cname":["pubmatic.com"]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"pubmatic.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:24f5:d000:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:600:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:a600:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:8200:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:6200:1a:89bc:d200:93a1","result":"not tested"},{"address":"2600:9000:24f5:5000:1a:89bc:d200:93a1","result":"not tested"},{"address":"2600:9000:24f5:ce00:1a:89bc:d200:93a1","result":"not tested"},{"address":"2600:9000:24f5:fe00:1a:89bc:d200:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.pubmatic.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:24f5:800:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:1c00:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:c600:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:5e00:1a:89bc:d200:93a1","result":"answers","port":443},{"address":"2600:9000:24f5:9000:1a:89bc:d200:93a1","result":"not tested"},{"address":"2600:9000:24f5:8800:1a:89bc:d200:93a1","result":"not tested"},{"address":"2600:9000:24f5:c400:1a:89bc:d200:93a1","result":"not tested"},{"address":"2600:9000:24f5:7400:1a:89bc:d200:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"pubmatic-com.mail.protection.outlook.com","ipv6":true}]},{"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}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://pubmatic.com/","address":"2600:9000:24f5:d000:1a:89bc:d200:93a1","status":403,"tls":"valid"}]},"receiptId":"sMybqxaeko"}