{"kind":"host","input":"proofpoint.com","report":{"host":"proofpoint.com","checkedAt":"2026-11-01T16:52:18.335Z","a":{"status":"found","values":["45.60.151.207","45.60.171.207"],"ttl":180,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a02:e980:e6::cf","2a02:e980:13e::cf"],"ttl":180,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.proofpoint.com","a":{"status":"found","values":["45.60.151.207"],"ttl":21,"via":"Cloudflare","cname":["r49ke.x.incapdns.net"]},"aaaa":{"status":"found","values":["2a02:e980:e6::cf"],"ttl":30,"via":"Cloudflare","cname":["r49ke.x.incapdns.net"]},"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":"proofpoint.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a02:e980:e6::cf","result":"answers","port":443},{"address":"2a02:e980:13e::cf","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.proofpoint.com has an AAAA record and answers on it.","addresses":[{"address":"2a02:e980:e6::cf","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"mxa-00148501.gslb.pphosted.com","ipv6":true},{"host":"mxb-00148501.gslb.pphosted.com","ipv6":true},{"host":"mx0a-00148501.pphosted.com","ipv6":true},{"host":"mx0b-00148501.pphosted.com","ipv6":true}]},{"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":"ns1.proofpoint.com","ipv6":true},{"host":"ns3.proofpoint.com","ipv6":true},{"host":"pdns99.ultradns.biz","ipv6":true},{"host":"pdns99.ultradns.com","ipv6":true},{"host":"pdns99.ultradns.net","ipv6":true},{"host":"pdns99.ultradns.org","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 2 redirects: HTTP 200.","hops":[{"url":"https://proofpoint.com/","address":"2a02:e980:e6::cf","status":301,"tls":"valid"},{"url":"https://www.proofpoint.com/","address":"2a02:e980:e6::cf","status":301,"tls":"valid"},{"url":"https://www.proofpoint.com/us","address":"2a02:e980:e6::cf","status":200,"tls":"valid"}]},"receiptId":"QlqaD2vw_m","reused":true,"measuredAt":"2026-11-01T16:52:18.654Z"}