统信桌面操作系统专业版V20（1070）
Linux uos 5.10.97-arm64-desktop
uos基础 systemd-resolve 清除dns缓存，重新解析域名
root@uos:/home/code# systemd-resolve --flush-caches
root@uos:/home/code# systemd-resolve --statistics
DNSSEC supported by current servers: yes
Transactions
Current Transactions: 0
Total Transactions: 2
Cache
Current Cache Size: 0
Cache Hits: 0
Cache Misses: 0
DNSSEC Verdicts
Secure: 0
Insecure: 0
Bogus: 0
Indeterminate: 0
root@uos:/home/code#
