{"kind":"host","input":"appcenter.ms","report":{"host":"appcenter.ms","checkedAt":"2026-10-31T08:28:00.226Z","a":{"status":"found","values":["150.171.109.76"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.appcenter.ms","a":{"status":"found","values":["150.171.109.66"],"ttl":10,"via":"Cloudflare","cname":["front-door-cscmh8grcmgbhhcu.b01.azurefd.net","mr-b01.tm-azurefd.net"]},"aaaa":{"status":"found","values":["2603:1061:14:48::1"],"ttl":10,"via":"Cloudflare","cname":["front-door-cscmh8grcmgbhhcu.b01.azurefd.net","mr-b01.tm-azurefd.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"appcenter.ms has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.appcenter.ms has an AAAA record and answers on it.","addresses":[{"address":"2603:1061:14:48::1","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"microsoft-com.mail.protection.outlook.com","ipv6":true}]},{"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":"ns1-05.azure-dns.com","ipv6":true},{"host":"ns2-05.azure-dns.net","ipv6":true},{"host":"ns3-05.azure-dns.org","ipv6":true},{"host":"ns4-05.azure-dns.info","ipv6":true}]}]},"receiptId":"zM2-_rl2q0"}