So these root servers are critical to the functioning of the Internet.

所以这些根服务器对于互联网正常运作是很重要的。

youdao

Comparing with the top-level domains (TLD) such as the root servers, the local authoritative servers were more vulnerable to device failures and malicious attacks.

与根域名服务器等顶级域相比，本地的权威名字服务器更易于发生设备故障和遭受恶意攻击。

youdao

Root zones — These provide the list of 'root' servers that hold information about subdomains on the Internet and their delegation records.

根区域——这些区域提供“根”服务器的列表，根服务器包含有关Internet上的子域及其委托记录的信息。

youdao

Improve physical security of critical systems, especially domain name and root servers.

CNN: Global panel issues Internet security recommendations

The DNSrides on top-level servers around the world, which in turn are guided by the true pillars of the Internet:13 root servers, most of them run by volunteers.

FORBES: The Next Threat

Mr Black said he, and many others, would prefer a slimmed-down Icann that did little more than manage the root servers which contain the net's master address lists.

BBC: Net body under pressure