dig コマンドで DNSを引いた時のキャッシュ時間 ; <<>> DiG 9.8.3-P1 <<>> XXX.noip.me @192.168.1.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6108 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;tsdfakuyaaa.naaoip.biz. IN A ;; ANSWER SECTION: XXXX.noip.me. 14 IN A 112.69.176.88 ;; Query time: 3 msec ;; SERVER: 192.168.1.1#53(192.