{"kind":"host","input":"webmail.sc.edu","report":{"host":"webmail.sc.edu","checkedAt":"2026-11-03T08:36:11.758Z","a":{"status":"found","values":["52.96.183.242","52.96.165.194","40.104.46.18","52.96.182.114"],"ttl":10,"via":"Cloudflare","cname":["outlook.office365.com","outlook.cloud.microsoft","acdcatm.outlook.mira.tm.svc.cloud.microsoft","shed.outlook.acdc.tm.svc.cloud.microsoft"]},"aaaa":{"status":"found","values":["2603:1036:207:459::2","2603:1036:207:45b::2","2603:1036:207:869::2","2603:1036:302:4159::2","2603:1036:302:415e::2","2603:1036:302:4836::2","2603:1036:302:505a::2","2603:1036:302:5062::2"],"ttl":10,"via":"Cloudflare","cname":["outlook.office365.com","outlook.cloud.microsoft","acdcatm.outlook.mira.tm.svc.cloud.microsoft","atm.outlook.mira.tm.svc.cloud.microsoft"]},"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":"webmail.sc.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2603:1036:207:459::2","result":"answers","port":443},{"address":"2603:1036:207:45b::2","result":"answers","port":443},{"address":"2603:1036:207:869::2","result":"answers","port":443},{"address":"2603:1036:302:4159::2","result":"answers","port":443},{"address":"2603:1036:302:415e::2","result":"not tested"},{"address":"2603:1036:302:4836::2","result":"not tested"},{"address":"2603:1036:302:505a::2","result":"not tested"},{"address":"2603:1036:302:5062::2","result":"not tested"}]},{"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":"5 of 5 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns4.dnsmadeeasy.com","ipv6":true},{"host":"ns0.dnsmadeeasy.com","ipv6":true},{"host":"ns2.dnsmadeeasy.com","ipv6":true},{"host":"ns1.dnsmadeeasy.com","ipv6":true},{"host":"ns3.dnsmadeeasy.com","ipv6":true}]}]},"https":{"status":"fail","problem":"certificate","summary":"The certificate served over IPv6 at 2603:1036:207:459::2 isn't valid for webmail.sc.edu: ERR_TLS_CERT_ALTNAME_INVALID.","hops":[{"url":"https://webmail.sc.edu/","address":"2603:1036:207:459::2","tls":"ERR_TLS_CERT_ALTNAME_INVALID"}]},"receiptId":"dgpdsBoHdo","reused":true,"measuredAt":"2026-11-03T08:36:11.817Z"}