{"kind":"host","input":"bugsnag.com","report":{"host":"bugsnag.com","checkedAt":"2026-10-31T07:52:37.361Z","a":{"status":"found","values":["3.171.38.127","3.171.38.123","3.171.38.13","3.171.38.65"],"ttl":32,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.bugsnag.com","a":{"status":"found","values":["162.159.140.69","172.66.0.69"],"ttl":60,"via":"Cloudflare","cname":["www.bugsnag.com.cdn.cloudflare.net"]},"aaaa":{"status":"found","values":["2606:4700:7::45","2a06:98c1:58::45"],"ttl":60,"via":"Cloudflare","cname":["www.bugsnag.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":"bugsnag.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.bugsnag.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:7::45","result":"answers","port":443},{"address":"2a06:98c1:58::45","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":"us-smtp-inbound-1.mimecast.com","ipv6":false},{"host":"us-smtp-inbound-2.mimecast.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":"ns-1240.awsdns-27.org","ipv6":true},{"host":"ns-1651.awsdns-14.co.uk","ipv6":true},{"host":"ns-311.awsdns-38.com","ipv6":true},{"host":"ns-974.awsdns-57.net","ipv6":true}]}]},"receiptId":"4BQmOUBml9"}