{"kind":"host","input":"berkeley.edu","report":{"host":"berkeley.edu","checkedAt":"2026-10-31T07:05:40.565Z","a":{"status":"found","values":["141.193.213.20","141.193.213.21"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.berkeley.edu","a":{"status":"found","values":["141.193.213.20","141.193.213.21"],"ttl":179,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"berkeley.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.berkeley.edu has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"alt4.aspmx.l.google.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"adns1.berkeley.edu","ipv6":true},{"host":"adns2.berkeley.edu","ipv6":true},{"host":"adns3.berkeley.edu","ipv6":true}]}]},"receiptId":"m8__a0ymiz"}