{"kind":"host","input":"nexuscyberdefense.org","report":{"host":"nexuscyberdefense.org","checkedAt":"2026-11-06T18:58:25.161Z","a":{"status":"found","values":["172.67.183.169","104.21.59.207"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:b7a9","2606:4700:3033::6815:3bcf"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.nexuscyberdefense.org","a":{"status":"found","values":["172.67.183.169","104.21.59.207"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:b7a9","2606:4700:3033::6815:3bcf"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"nexuscyberdefense.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:b7a9","result":"answers","port":443},{"address":"2606:4700:3033::6815:3bcf","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.nexuscyberdefense.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:b7a9","result":"answers","port":443},{"address":"2606:4700:3033::6815:3bcf","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":"mx00.ionos.es","ipv6":false},{"host":"mx01.ionos.es","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"clara.ns.cloudflare.com","ipv6":true},{"host":"sage.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 530) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://nexuscyberdefense.org/","address":"2606:4700:3037::ac43:b7a9","status":530,"tls":"valid"}]},"receiptId":"9lro_qWfcJ"}