{"kind":"host","input":"tumblr.com","report":{"host":"tumblr.com","checkedAt":"2026-10-30T22:47:28.815Z","a":{"status":"found","values":["192.0.77.40"],"ttl":70,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.tumblr.com","a":{"status":"found","values":["192.0.77.40"],"ttl":28,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"tumblr.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.tumblr.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx3.googlemail.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"aspmx2.googlemail.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.tumblr.com","ipv6":true},{"host":"ns3.tumblr.com","ipv6":true},{"host":"ns4.tumblr.com","ipv6":true},{"host":"ns2.tumblr.com","ipv6":true}]}]},"receiptId":"4m079w7skN"}