{"kind":"host","input":"pitt.edu","report":{"host":"pitt.edu","checkedAt":"2026-11-02T17:38:33.622Z","a":{"status":"found","values":["136.142.34.30"],"ttl":30,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.pitt.edu","a":{"status":"found","values":["151.101.66.133","151.101.130.133","151.101.194.133","151.101.2.133"],"ttl":20,"via":"Cloudflare","cname":["pantheon-systems.map.fastly.net"]},"aaaa":{"status":"found","values":["2a04:4e42::645","2a04:4e42:200::645","2a04:4e42:400::645","2a04:4e42:600::645"],"ttl":30,"via":"Cloudflare","cname":["pantheon-systems.map.fastly.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":"pitt.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.pitt.edu has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a04:4e42::645","result":"answers","port":443},{"address":"2a04:4e42:200::645","result":"answers","port":443},{"address":"2a04:4e42:400::645","result":"answers","port":443},{"address":"2a04:4e42:600::645","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"pitt-edu.mail.protection.outlook.com","ipv6":true}]},{"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":"ns4.pitt.edu","ipv6":false},{"host":"ns5.pitt.edu","ipv6":false}]}]},"receiptId":"EBclH3dIvF","reused":true,"measuredAt":"2026-11-02T17:38:33.706Z"}