{"kind":"host","input":"autodiscover.univ-paris-diderot.fr","report":{"host":"autodiscover.univ-paris-diderot.fr","checkedAt":"2026-11-01T14:47:45.134Z","a":{"status":"found","values":["81.194.22.212"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2001:660:3301:8008::212"],"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":"autodiscover.univ-paris-diderot.fr has an AAAA record, but nothing answered on ports 443 or 80. IPv6 visitors wait for a timeout before falling back to IPv4.","addresses":[{"address":"2001:660:3301:8008::212","result":"no answer"}]},{"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":"2 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"potemkin.univ-paris7.fr","ipv6":true},{"host":"shiva.jussieu.fr","ipv6":false},{"host":"korolev.univ-paris7.fr","ipv6":true}]}]},"receiptId":"JW98Wcnm-k","reused":true,"measuredAt":"2026-11-01T14:47:50.912Z"}