{"kind":"host","input":"jacobe.org","report":{"host":"jacobe.org","checkedAt":"2026-11-04T03:41:27.388Z","a":{"status":"found","values":["104.21.13.22","172.67.154.39"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3034::ac43:9a27","2606:4700:3032::6815:d16"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.jacobe.org","a":{"status":"found","values":["104.21.13.22","172.67.154.39"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3034::ac43:9a27","2606:4700:3032::6815:d16"],"ttl":300,"via":"Cloudflare","cname":[]},"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":"jacobe.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3034::ac43:9a27","result":"answers","port":443},{"address":"2606:4700:3032::6815:d16","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.jacobe.org has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3034::ac43:9a27","result":"answers","port":443},{"address":"2606:4700:3032::6815:d16","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":"mx1.mail.ovh.net","ipv6":false},{"host":"mx3.mail.ovh.net","ipv6":false},{"host":"mx2.mail.ovh.net","ipv6":false}]},{"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":"glen.ns.cloudflare.com","ipv6":true},{"host":"virginia.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://jacobe.org/","address":"2606:4700:3034::ac43:9a27","status":403,"tls":"valid"}]},"receiptId":"NsMPvxr3Vu","reused":true,"measuredAt":"2026-11-04T03:41:27.525Z"}