{"kind":"host","input":"unc.edu","report":{"host":"unc.edu","checkedAt":"2026-11-02T00:12:28.216Z","a":{"status":"found","values":["23.185.0.4"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:12a:8000::4","2620:12a:8001::4"],"ttl":51,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.unc.edu","a":{"status":"found","values":["23.185.0.4"],"ttl":3506,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:12a:8001::4","2620:12a:8000::4"],"ttl":3600,"via":"Cloudflare","cname":[]},"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":"unc.edu has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2620:12a:8000::4","result":"answers","port":443},{"address":"2620:12a:8001::4","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.unc.edu has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2620:12a:8001::4","result":"answers","port":443},{"address":"2620:12a:8000::4","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"unc-edu.mail.protection.outlook.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-02.mcnc.org","ipv6":true},{"host":"ns2.unc.edu","ipv6":true},{"host":"ns-01.mcnc.org","ipv6":true},{"host":"ns.unc.edu","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://unc.edu/","address":"2620:12a:8000::4","status":301,"tls":"valid"},{"url":"https://www.unc.edu/","address":"2620:12a:8001::4","status":200,"tls":"valid"}]},"receiptId":"B8wEnrm14O","reused":true,"measuredAt":"2026-11-02T00:12:28.371Z"}