DNS check: https://dnschecker.org/
Google - Flush cache: https://developers.google.com/speed/public-dns/cache/
CloudFlare: https://1.1.1.1/purge-cache/
中華電信 168.95.1.1: NULL
DNS check: https://dnschecker.org/
Google - Flush cache: https://developers.google.com/speed/public-dns/cache/
CloudFlare: https://1.1.1.1/purge-cache/
中華電信 168.95.1.1: NULL
