{"kind":"host","input":"simplecapitalone.com","report":{"host":"simplecapitalone.com","checkedAt":"2026-11-06T01:29:04.026Z","a":{"status":"found","values":["172.67.193.83","104.21.84.132"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3035::ac43:c153","2606:4700:3031::6815:5484"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"simplecapitalone.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3035::ac43:c153","result":"answers","port":443},{"address":"2606:4700:3031::6815:5484","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx00.ionos.com","ipv6":false},{"host":"mx01.ionos.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"coraline.ns.cloudflare.com","ipv6":true},{"host":"ivan.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 525) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://simplecapitalone.com/","address":"2606:4700:3035::ac43:c153","status":525,"tls":"valid"}]},"receiptId":"H6SYcxAvPv","reused":true,"measuredAt":"2026-11-06T01:29:04.323Z"}