{"kind":"host","input":"sitewitness.app","report":{"host":"sitewitness.app","checkedAt":"2026-11-07T18:58:03.269Z","a":{"status":"found","values":["216.198.79.1"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.sitewitness.app","a":{"status":"found","values":["216.198.79.1","64.29.17.1"],"ttl":300,"via":"Cloudflare","cname":["83feef7bd01d0a5b.vercel-dns-017.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["83feef7bd01d0a5b.vercel-dns-017.com"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"sitewitness.app has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.sitewitness.app has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx01.ionos.it","ipv6":false},{"host":"mx00.ionos.it","ipv6":false}]},{"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":"ns1105.ui-dns.com","ipv6":true},{"host":"ns1087.ui-dns.org","ipv6":true},{"host":"ns1035.ui-dns.de","ipv6":true},{"host":"ns1060.ui-dns.biz","ipv6":true}]}]},"receiptId":"HlR6TfnPCG","reused":true,"measuredAt":"2026-11-07T18:58:03.564Z"}