{"kind":"host","input":"sparkstack.work","report":{"host":"sparkstack.work","checkedAt":"2026-11-02T14:31:09.768Z","a":{"status":"found","values":["104.21.53.109","172.67.212.55"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::6815:356d","2606:4700:3036::ac43:d437"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.sparkstack.work","a":{"status":"found","values":["104.21.53.109","172.67.212.55"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::6815:356d","2606:4700:3036::ac43:d437"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"sparkstack.work has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::6815:356d","result":"answers","port":443},{"address":"2606:4700:3036::ac43:d437","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.sparkstack.work has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::6815:356d","result":"answers","port":443},{"address":"2606:4700:3036::ac43:d437","result":"answers","port":443}]},{"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":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"aria.ns.cloudflare.com","ipv6":true},{"host":"nash.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 530) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://sparkstack.work/","address":"2606:4700:3032::6815:356d","status":301,"tls":"valid"},{"url":"https://www.sparkstack.work/","address":"2606:4700:3032::6815:356d","status":530,"tls":"valid"}]},"receiptId":"zJdZkYnoXW","reused":true,"measuredAt":"2026-11-02T14:31:09.909Z"}