{"kind":"host","input":"lnkd.in","report":{"host":"lnkd.in","checkedAt":"2026-11-01T04:02:38.321Z","a":{"status":"found","values":["130.211.32.14"],"ttl":6,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:1901:0:d5ad::"],"ttl":53,"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":"lnkd.in has an AAAA record and answers on it.","addresses":[{"address":"2600:1901:0:d5ad::","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"mail-2.linkedin.com","ipv6":true},{"host":"mail-3.linkedin.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 8 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"dns1.p09.nsone.net","ipv6":true},{"host":"dns2.p09.nsone.net","ipv6":true},{"host":"dns3.p09.nsone.net","ipv6":true},{"host":"dns4.p09.nsone.net","ipv6":true},{"host":"ns1-42.azure-dns.com","ipv6":false},{"host":"ns2-42.azure-dns.net","ipv6":false},{"host":"ns3-42.azure-dns.org","ipv6":false},{"host":"ns4-42.azure-dns.info","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://lnkd.in/","address":"2600:1901:0:d5ad::","status":301,"tls":"valid"},{"url":"https://www.linkedin.com/","address":"2a06:98c1:3109::6812:2929","status":200,"tls":"valid"}]},"receiptId":"00Iqv8lwf6","reused":true,"measuredAt":"2026-11-01T04:02:38.612Z"}