{"kind":"host","input":"m.strava.com","report":{"host":"m.strava.com","checkedAt":"2026-11-01T21:11:55.776Z","a":{"status":"found","values":["18.154.227.17","18.154.227.108","18.154.227.82","18.154.227.105"],"ttl":60,"via":"Cloudflare","cname":["d3lixngntuc3w2.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:2501:9e00:1a:dde0:2c80:93a1","2600:9000:2501:fe00:1a:dde0:2c80:93a1","2600:9000:2501:3400:1a:dde0:2c80:93a1","2600:9000:2501:7e00:1a:dde0:2c80:93a1","2600:9000:2501:c000:1a:dde0:2c80:93a1","2600:9000:2501:9400:1a:dde0:2c80:93a1","2600:9000:2501:5c00:1a:dde0:2c80:93a1","2600:9000:2501:9000:1a:dde0:2c80:93a1"],"ttl":60,"via":"Cloudflare","cname":["d3lixngntuc3w2.cloudfront.net"]},"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":"m.strava.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2501:9e00:1a:dde0:2c80:93a1","result":"answers","port":443},{"address":"2600:9000:2501:fe00:1a:dde0:2c80:93a1","result":"answers","port":443},{"address":"2600:9000:2501:3400:1a:dde0:2c80:93a1","result":"answers","port":443},{"address":"2600:9000:2501:7e00:1a:dde0:2c80:93a1","result":"answers","port":443},{"address":"2600:9000:2501:c000:1a:dde0:2c80:93a1","result":"not tested"},{"address":"2600:9000:2501:9400:1a:dde0:2c80:93a1","result":"not tested"},{"address":"2600:9000:2501:5c00:1a:dde0:2c80:93a1","result":"not tested"},{"address":"2600:9000:2501:9000:1a:dde0:2c80:93a1","result":"not tested"}]},{"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-145.awsdns-18.com","ipv6":true},{"host":"ns-1461.awsdns-54.org","ipv6":true},{"host":"ns-1806.awsdns-33.co.uk","ipv6":true},{"host":"ns-610.awsdns-12.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://m.strava.com/","address":"2600:9000:2501:9e00:1a:dde0:2c80:93a1","status":200,"tls":"valid"}]},"receiptId":"YpgNYLb1dU","reused":true,"measuredAt":"2026-11-01T21:11:55.954Z"}