In this thesis, many efforts have been made for the research on the implementation of open-source DNS, for the purpose of improving its efficiency, as well as intensifying DNS security.

本文致力于研究域名系统的开源实现，力求能从效率及安全性两方面对开源dns服务器做出某些改进。

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Having a DNS record can help when other sites or servers must also enter your disaster recovery server into their security Settings.

如果其他站点或服务器也必须把您的灾难恢复服务器输入它们的安全设置，有DNS记录会有帮助。

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While it would have been possible for me to set up this service from a site with an assigned domain on a static IP address, I felt that a dynamic DNS would offer several security advantages.

虽然我可以用一个静态IP地址在拥有已分配的域的站点中建立这种服务，但是我觉得动态dns应该可以提供一些安全上的好处。

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Because his servers had long ago added an extra security identifier to their DNS requests, OpenDNS circumvented Kaminsky's hack.

FORBES: No Phishing Zone

Ulevitch's hacker paranoia inspired him to add an extra security feature: All DNS servers tag data with one random number (from 1 to 65, 000) to enable servers to recognize the right piece of data at the right time.

FORBES: No Phishing Zone

It also offers a range of security services, including managed DNS, Distributed Denial of Service (DDoS) mitigation and cyber-threat reporting.

FORBES: VeriSign's Future Looks Stable with .com and.net Registries in the Bag