digやnslookupでネームサーバを指定して問い合わせ
毎度忘れるのでメモ dig dig www.google.com @1.1.1.1 を実行 ; <<>> DiG 9.16.1-Ubuntu <<>> www.google.com @1.1.1.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60699 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1232 ;; QUESTION SECTION: ;www.google.com. IN A ;; ANSWER SECTION:...