{"kind":"host","input":"mobile.usc.edu","report":{"host":"mobile.usc.edu","checkedAt":"2026-11-03T08:04:40.223Z","a":{"status":"found","values":["23.185.0.1"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["aaaa:2620:12a:8000::1","aaaa:2620:12a:8001::1"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"},"readiness":{"grade":"F","summary":"Publishes IPv6 but doesn't answer on it — worse than having none.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"broken","detail":"mobile.usc.edu's AAAA record points at an address that isn't on the public internet, so IPv6 visitors can't reach it.","addresses":[{"address":"aaaa:2620:12a:8000::1","result":"not public"},{"address":"aaaa:2620:12a:8001::1","result":"not public"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"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-1466.awsdns-55.org","ipv6":true},{"host":"ns-1798.awsdns-32.co.uk","ipv6":true},{"host":"ns-368.awsdns-46.com","ipv6":true},{"host":"ns-549.awsdns-04.net","ipv6":true}]}]},"receiptId":"69gJR5JmBl","reused":true,"measuredAt":"2026-11-03T08:04:40.244Z"}