{"domain":"umn.edu","result":true,"measuredAt":"2026-11-02T16:56:49.899Z","receiptId":"Id5W8CHTmr","answer":{"kind":"host","input":"umn.edu","report":{"host":"umn.edu","checkedAt":"2026-11-02T16:56:49.810Z","a":{"status":"found","values":["134.84.66.22"],"ttl":30,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.umn.edu","a":{"status":"found","values":["104.18.20.11","104.18.21.11"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:140b","2606:4700::6812:150b"],"ttl":178,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"umn.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.umn.edu has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:140b","result":"answers","port":443},{"address":"2606:4700::6812:150b","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":"mta-p11.oit.umn.edu","ipv6":false},{"host":"mta-p12.oit.umn.edu","ipv6":false},{"host":"mta-p15.oit.umn.edu","ipv6":false},{"host":"mta-p16.oit.umn.edu","ipv6":false},{"host":"mta-p9.oit.umn.edu","ipv6":false},{"host":"mta-p10.oit.umn.edu","ipv6":false},{"host":"mta-p13.oit.umn.edu","ipv6":false},{"host":"mta-p18.oit.umn.edu","ipv6":false},{"host":"mta-p17.oit.umn.edu","ipv6":false},{"host":"mta-p14.oit.umn.edu","ipv6":false}]},{"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":"ns-2.umn.edu","ipv6":true},{"host":"ns-1.umn.edu","ipv6":true},{"host":"ns-3.umn.edu","ipv6":true}]}]}},"states":[{"firstSeen":"2026-10-31T21:22:44.630Z","lastConfirmed":"2026-11-02T16:56:49.899Z","checks":3,"verdict":"ipv4-only","grade":"D","web":"fail","www":"pass","mail":"fail","dns":"pass","secondLook":null}]}