$ sudo killall -INFO mDNSResponder $ sudo grep mDNSResponder /var/log/system.log mDNSResponder[96]: ---- BEGIN STATE LOG ---- mDNSResponder mDNSResponder-625.40.20 (Feb 11 2016 18:14:38) OSXVers 15 mDNSResponder[96]: Timenow 0x7475882C (1953859628) mDNSResponder[96]: ------------ Cache ------------- mDNSResponder[96]: Slt Q TTL if U Type rdlen mDNSResponder[96]: 5 224 -U- Addr 4 appspot.l.google.c
![MacOS(El Capitan)でのDNSキャッシュの確認と消去 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/a7c8e035f72aeb434a6cf7069e4deb83939a5397/height=288;version=1;width=512/https%3A%2F%2Fcdn.qiita.com%2Fassets%2Fqiita-fb-fe28c64039d925349e620ba55091e078.png)