{"kind":"host","input":"startupweek.london","report":{"host":"startupweek.london","checkedAt":"2026-10-31T17:58:44.691Z","a":{"status":"found","values":["172.67.133.164","104.21.5.167"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:85a4","2606:4700:3032::6815:5a7"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.startupweek.london","a":{"status":"found","values":["172.67.133.164","104.21.5.167"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::6815:5a7","2606:4700:3032::ac43:85a4"],"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":"startupweek.london has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:85a4","result":"answers","port":443},{"address":"2606:4700:3032::6815:5a7","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.startupweek.london has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::6815:5a7","result":"answers","port":443},{"address":"2606:4700:3032::ac43:85a4","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":"anton.ns.cloudflare.com","ipv6":true},{"host":"kristin.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://startupweek.london/","address":"2606:4700:3032::ac43:85a4","status":530,"tls":"valid"}]},"receiptId":"T7wq0QbGNq"}