{"kind":"host","input":"utoronto.ca","report":{"host":"utoronto.ca","checkedAt":"2026-11-02T05:21:11.505Z","a":{"status":"found","values":["23.185.0.1"],"ttl":180,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:12a:8001::1","2620:12a:8000::1"],"ttl":79398,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.utoronto.ca","a":{"status":"found","values":["23.185.0.1"],"ttl":180,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:12a:8000::1","2620:12a:8001::1"],"ttl":180,"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":"utoronto.ca has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2620:12a:8001::1","result":"answers","port":443},{"address":"2620:12a:8000::1","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.utoronto.ca has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2620:12a:8000::1","result":"answers","port":443},{"address":"2620:12a:8001::1","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"utoronto-ca.mail.protection.outlook.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.d-zone.ca","ipv6":true},{"host":"ns2.d-zone.ca","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://utoronto.ca/","address":"2620:12a:8001::1","status":403,"tls":"valid"}]},"receiptId":"HdHDOwrq1s","reused":true,"measuredAt":"2026-11-02T05:21:11.589Z"}