{"kind":"host","input":"symantec.com","report":{"host":"symantec.com","checkedAt":"2026-11-01T16:52:26.298Z","a":{"status":"found","values":["54.68.22.26","52.13.171.212","50.112.202.115"],"ttl":406,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.symantec.com","a":{"status":"found","values":["104.18.37.111","172.64.150.145"],"ttl":220,"via":"Cloudflare","cname":["cdn.broadcom.com","www.broadcom.com.cdn.cloudflare.net"]},"aaaa":{"status":"found","values":["2606:4700:4403::6812:256f","2606:4700:4405::ac40:9691"],"ttl":300,"via":"Cloudflare","cname":["cdn.broadcom.com","www.broadcom.com.cdn.cloudflare.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":"symantec.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.symantec.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:4403::6812:256f","result":"answers","port":443},{"address":"2606:4700:4405::ac40:9691","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":"cluster4.us.messagelabs.com","ipv6":false},{"host":"cluster4a.us.messagelabs.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":"edns161.ultradns.biz","ipv6":true},{"host":"edns161.ultradns.com","ipv6":true},{"host":"edns161.ultradns.net","ipv6":true},{"host":"edns161.ultradns.org","ipv6":true}]}]},"receiptId":"Nk1UN6w_zO","reused":true,"measuredAt":"2026-11-01T16:52:26.321Z"}