{"kind":"host","input":"merriam-webster.com","report":{"host":"merriam-webster.com","checkedAt":"2026-10-31T14:10:10.221Z","a":{"status":"found","values":["3.162.112.58","3.162.112.129","3.162.112.64","3.162.112.97"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:244d:4600:c:3d32:e340:93a1","2600:9000:244d:3400:c:3d32:e340:93a1","2600:9000:244d:9c00:c:3d32:e340:93a1","2600:9000:244d:9400:c:3d32:e340:93a1","2600:9000:244d:a600:c:3d32:e340:93a1","2600:9000:244d:8200:c:3d32:e340:93a1","2600:9000:244d:1600:c:3d32:e340:93a1","2600:9000:244d:3a00:c:3d32:e340:93a1"],"ttl":60,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.merriam-webster.com","a":{"status":"found","values":["172.66.150.196","104.20.45.199"],"ttl":18,"via":"Cloudflare","cname":["www.merriam-webster.com.cdn.cloudflare.net"]},"aaaa":{"status":"found","values":["2606:4700:10::ac42:96c4","2606:4700:10::6814:2dc7"],"ttl":28,"via":"Cloudflare","cname":["www.merriam-webster.com.cdn.cloudflare.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":"merriam-webster.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:244d:4600:c:3d32:e340:93a1","result":"answers","port":443},{"address":"2600:9000:244d:3400:c:3d32:e340:93a1","result":"answers","port":443},{"address":"2600:9000:244d:9c00:c:3d32:e340:93a1","result":"answers","port":443},{"address":"2600:9000:244d:9400:c:3d32:e340:93a1","result":"answers","port":443},{"address":"2600:9000:244d:a600:c:3d32:e340:93a1","result":"not tested"},{"address":"2600:9000:244d:8200:c:3d32:e340:93a1","result":"not tested"},{"address":"2600:9000:244d:1600:c:3d32:e340:93a1","result":"not tested"},{"address":"2600:9000:244d:3a00:c:3d32:e340:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.merriam-webster.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:10::ac42:96c4","result":"answers","port":443},{"address":"2606:4700:10::6814:2dc7","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"smtp.google.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":"ns-1084.awsdns-07.org","ipv6":true},{"host":"ns-1998.awsdns-57.co.uk","ipv6":true},{"host":"ns-323.awsdns-40.com","ipv6":true},{"host":"ns-636.awsdns-15.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.","hops":[{"url":"https://merriam-webster.com/","address":"2600:9000:244d:4600:c:3d32:e340:93a1","status":301,"tls":"valid"},{"url":"https://www.merriam-webster.com/","address":"2606:4700:10::ac42:96c4","status":403,"tls":"valid"}]},"receiptId":"lzJ7ek6eBL"}