{"kind":"host","input":"auth.univ-paris-diderot.fr","report":{"host":"auth.univ-paris-diderot.fr","checkedAt":"2026-11-01T15:37:05.887Z","a":{"status":"found","values":["81.194.22.225"],"ttl":300,"via":"Cloudflare","cname":["auth.dsi.univ-paris-diderot.fr"]},"aaaa":{"status":"found","values":["2001:660:3301:8008::225"],"ttl":300,"via":"Cloudflare","cname":["auth.dsi.univ-paris-diderot.fr"]},"verdict":"dual-stack"},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"auth.univ-paris-diderot.fr has an AAAA record and answers on it.","addresses":[{"address":"2001:660:3301:8008::225","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"partial","detail":"At least one mail server has no AAAA record (2 of 3 checked do).","hosts":[{"host":"korolev.univ-paris7.fr","ipv6":true},{"host":"potemkin.univ-paris7.fr","ipv6":true},{"host":"shiva.jussieu.fr","ipv6":false}]},{"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}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://auth.univ-paris-diderot.fr/","address":"2001:660:3301:8008::225","status":403,"tls":"valid"}]},"receiptId":"hfQ3icQ5Qo","reused":true,"measuredAt":"2026-11-01T15:37:06.790Z"}