Here are some things to test:
https://www.networkworld.com/article/2231682/cisco-subnet/cisco-subnet-allow-both-tcp-and-udp-port-53-to-your-dns-servers.html
未设置到期时间。
没有设置依赖项。
删除分支是永久的。虽然已删除的分支在实际被删除前有可能会短时间存在,但这在大多数情况下无法撤销。是否继续?
Here are some things to test:
https://www.networkworld.com/article/2231682/cisco-subnet/cisco-subnet-allow-both-tcp-and-udp-port-53-to-your-dns-servers.html