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Dictionary

DNS server

A dedicated server or a service within a server that provides DNS name resolution in an IP network. It turns names for Web sites and network resources into numeric IP addresses. DNS servers are...

Dictionary

Definition: DNS server

A dedicated server or a service within a server that provides DNS name resolution in an IP network. It turns names for Web sites and network resources into numeric IP addresses. DNS servers are used in large companies, in all ISPs and within the DNS system in the Internet, a vital service that keeps the Internet working. They are set up by network administrators and typically do not exist in the very small business or home. See DNS, DNS records and mDNS.



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  • DNSChanger to knock 350,000 users off Internet this July

    The DNSChanger botnet is long dead, fixes for the malware have been around for months, but over 350,000 users still haven't fixed their computers or routers, so in July they'll be knocked off the...

    Blog posts | April 27, 2012 9:49am PDT

  • Anonymous is not taking down the Internet

    Despite popular reports, the hacktivist group Anonymous is not hacking, killing, or taking down the Internet today via DDoS attacks on root DNS servers. The Internet will remain completely functional.

    Blog posts | March 31, 2012 9:49am PDT

  • SOPA: Could the bill harm entrepreneurship?

    SOPA is coming closer. How could this affect small businesses, and what should they be aware of?

    Blog posts | December 9, 2011 1:27pm PST

  • Microsoft expecting exploits for critical IE vulnerabilities

    Patch Tuesday: Gaping holes in the Internet Explorer browser can be exploited to launch drive-by download attacks from rigged web sites.

    Blog posts | August 9, 2011 12:11pm PDT

  • How the Internet went out in Egypt

    Turning off the Internet sounds like a big deal, and it is... in countries like the U.S. In places with only a handful of major Internet backbones, though, it's not that hard. Here's how it was...

    Blog posts | January 28, 2011 12:29pm PST

  • Changing DNS probably won't help your Video Streaming

    Despite recent claims that universal DNS services like OpenDNS, DNS Advantage, and Google DNS can slow down Apple TV video-streaming, the truth is that they don't for most users.

    Blog posts | December 22, 2010 1:12pm PST

  • Tip: Make your browser faster with free DNS server testing app

    A great tip posted at TUAW (The Unofficial Apple Weblog) describes how to boost surfing performance by discovering faster DNS servers with a free Google Code utility application. After tweaking...

    Blog posts | May 16, 2010 7:05pm PDT

  • Websense reports China Netcom DNS cache poisoning

    The DNS server of one of China's largest ISPs has been poisoned to redirect typos to a malicious site rigged with drive-by exploits. According to a warning from Websense Security Labs, the DNS...

    Blog posts | August 21, 2008 12:43pm PDT

  • HD Moore pwned with his own DNS exploit, vulnerable AT&T DNS servers to blame

    A week after |)ruid and HD Moore release part 2 of DNS exploit, HD Moore's company BreakingPoint has suffered a traffic redirection to a rogue Google site, thanks to the already poisoned cache at...

    Blog posts | July 30, 2008 8:08am PDT

  • Responding to the DNS vulnerability and attacks

    The DNS vulnerability, which has completely dominated the news in the security world the last two weeks, has been a concern for so many.  On the front of good news and getting things protected,...

    Blog posts | July 28, 2008 7:18am PDT

  • Kaminsky suggests long-term fix will still have to be determined, but patch now, or pay soon

    I listened to the Black Hat webcast today to grab as much info as I could on this subject. The biggest thing that I heard from the whole talk is that the patch fixes things to a reasonable point,...

    Blog posts | July 24, 2008 2:30pm PDT

  • Defense-in-depth starts with DNS

    Guest Editorial: It's become painfully clear to that DNS can no longer be a fire hose that just pierces the firewall. Here are some simple action items that can be implemented on just about every...

    Blog posts | November 21, 2007 6:46am PST

  • Microsoft patches URI handling, DNS spoofing flaws

    Microsoft has finally shipped a comprehensive fix for a critical URI handling vulnerability that exposes Windows users to drive-by malware attacks.

    Blog posts | November 13, 2007 10:38am PST

  • Mac Attack: Porn video lures dropping DNS-changer Trojan

    Well-organized identity thieves are using porn video lures to deliver malware to Mac OS X users, confirming fears among security researchers that it's only a matter of time before Apple's...

    Blog posts | November 1, 2007 8:05am PDT

  • Massive network outage for AT&T-SBC

    1:00 AM, I'm working late night here in Silicon Valley and the Internet Naming service has gone dark which means I can't get to the Internet.  Not a single DNS server on the AT&T-SBC network...

    Blog posts | May 30, 2007 3:39am PDT

  • The pitfalls of moving to an Active Directory environment

    I like Active Directory and use it within my own organization. I recently wrote an article on all the advantages of implementing an Active Directory environment for your client's organization. In...

    News items | July 16, 2003 12:00am PDT

  • Your DNS servers aren't safe

    A huge new vulnerability puts the majority of the world's DNS servers at risk. Dragos Ruiu says the flaw could easily make you an unwitting abettor to cyberattacks. But good luck getting the patch.

    News items | November 15, 2002 12:00am PST

  • Comdex: New DNS diagnostics

    LAS VEGAS -- The Microsoft site outage in January of this year brought attention to the crucial, yet often neglected issue of DNS server configuration. A single point of failure--in this case, the...

    News items | November 13, 2001 12:00am PST

  • Take command of DNS with QuickDNS 3.5

    QuickDNS 3.5 from Men&Mice provides a simple solution to DNS management, eliminating the need to edit domain configuration files manually. One of the most complicated tasks to perform in Linux...

    News items | September 21, 2001 12:00am PDT

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