{"kind":"host","input":"87square.com","report":{"host":"87square.com","checkedAt":"2026-11-07T21:45:38.256Z","a":{"status":"found","values":["23.227.38.65"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:127:f00f:5::"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.87square.com","a":{"status":"found","values":["54.209.203.29","3.234.49.230"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: www doesn't fully work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"87square.com has an AAAA record and answers on it.","addresses":[{"address":"2620:127:f00f:5::","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.87square.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"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":"ns-1427.awsdns-50.org","ipv6":true},{"host":"ns-1678.awsdns-17.co.uk","ipv6":true},{"host":"ns-505.awsdns-63.com","ipv6":true},{"host":"ns-809.awsdns-37.net","ipv6":true}]}]},"https":{"status":"unknown","summary":"87square.com didn't complete an HTTPS request over IPv6 (ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE).","hops":[{"url":"https://87square.com/","address":"2620:127:f00f:5::","note":"ERR_SSL_SSL/TLS_ALERT_HANDSHAKE_FAILURE"}]},"receiptId":"spttoZ7JC9","reused":true,"measuredAt":"2026-11-07T21:45:38.299Z"}