屏蔽动态域名的脚本：

/ip firewall filter

add action=drop chain=forwardcomment="" disabled=no dst-address-list=hao123

:global a

:set a [:resolve www.hao123.com

:if ([:len [/ip fir add find list=hao123address=$a]] = 0) do={/ip fir add add list=hao123
address=$a }

红色的改成要屏蔽的域名，经测试ROS 2.X
3.X
4.X 5.X下都可以正常运行！

屏蔽动态域名的脚本：

/ip firewall filter

add action=drop chain=forwardcomment="" disabled=no dst-address-list=hao123

:global a

:set a [:resolve www.hao123.com

:if ([:len [/ip fir add find list=hao123address=$a]] = 0) do={/ip fir add add list=hao123
address=$a }

红色的改成要屏蔽的域名，经测试ROS 2.X
3.X
4.X 5.X下都可以正常运行！