環境: mac os
## エラーが出てしまう
$ nslookup google.com
Server: 2404:1a8:7f01:b::3
Address: 2404:1a8:7f01:b::3#53
** server can't find google.com: REFUSED
## 第2引数にDNSサーバーを固定で指定したら通った
$ nslookup google.com 1.1.1.1
Server: 1.1.1.1
Address: 1.1.1.1#53
Non-authoritative answer:
Name: google.com
Address: 172.217.25.110