{"kind":"host","input":"sdsu.edu","report":{"host":"sdsu.edu","checkedAt":"2026-11-02T18:38:33.979Z","a":{"status":"found","values":["104.20.12.66"],"ttl":120,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.sdsu.edu","a":{"status":"found","values":["104.20.15.70","172.66.130.4"],"ttl":300,"via":"Cloudflare","cname":["www.sdsu.edu.cdn.cloudflare.net"]},"aaaa":{"status":"found","values":["2606:4700:10::6814:f46","2606:4700:10::ac42:8204"],"ttl":300,"via":"Cloudflare","cname":["www.sdsu.edu.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":"sdsu.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.sdsu.edu has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:10::6814:f46","result":"answers","port":443},{"address":"2606:4700:10::ac42:8204","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":"mxa-009b9c01.gslb.pphosted.com","ipv6":false},{"host":"mxb-009b9c01.gslb.pphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns01.sdsu.edu","ipv6":false},{"host":"ns02.sdsu.edu","ipv6":false}]}]},"receiptId":"vtTZVKl31j","reused":true,"measuredAt":"2026-11-02T18:38:34.111Z"}