DOMAIN,ntp.aliyun.com
DOMAIN,ntp1.aliyun.com
DOMAIN,ntp2.aliyun.com
DOMAIN,ntp3.aliyun.com
DOMAIN,ntp4.aliyun.com
DOMAIN,ntp5.aliyun.com
DOMAIN,ntp6.aliyun.com
DOMAIN,ntp7.aliyun.com
DOMAIN,time.amazonaws.cn
DOMAIN,time.izatcloud.net
DOMAIN,time.xtracloud.net
DOMAIN,ntp.tencent.com
DOMAIN,ntp1.tencent.com
DOMAIN,ntp2.tencent.com
DOMAIN,ntp3.tencent.com
DOMAIN,ntp4.tencent.com
DOMAIN,ntp5.tencent.com
DOMAIN-SUFFIX,cn.pool.ntp.org
DOMAIN-SUFFIX,ntp.neu.edu.cn
DOMAIN-SUFFIX,ntp.ntsc.ac.cn
DOMAIN-SUFFIX,ntp.org.cn