{"kind":"host","input":"craigslist.org","report":{"host":"craigslist.org","checkedAt":"2026-10-31T21:51:09.885Z","a":{"status":"found","values":["208.82.237.129"],"ttl":95,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.craigslist.org","a":{"status":"found","values":["208.82.237.145"],"ttl":72,"via":"Cloudflare","cname":["www.g.craigslist.org"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["www.g.craigslist.org"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"craigslist.org has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.craigslist.org 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":"mxicorpa.craigslist.org","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns2f.craigslist.org","ipv6":false},{"host":"ns1f.craigslist.org","ipv6":false},{"host":"ns1a.craigslist.org","ipv6":false},{"host":"ns9a.craigslist.org","ipv6":false},{"host":"ns2a.craigslist.org","ipv6":false},{"host":"ns9f.craigslist.org","ipv6":false}]}]},"receiptId":"5VNE70MKse"}