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This blog post is a follow-up to our previous introduction to DNSSEC. Read that first if you are not familiar with DNSSEC. DNSSEC is an extension to DNS: it provides a system of trust for DNS records. It’s a major change to one of the core components...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Windows DNS Server Interview Questions –Part4 26.What is the "in-addr.arpa" zone used for? In a Domain Name System (DNS) environment, it is common for a user or an application...

Posted by: Tony Tanzi, Security Consulting Engineer DNS sinkholing is an action, introduced in PAN-OS 6.0, which can be enabled in Anti-Spyware profiles. A DNS sinkhole enables the Palo Alto Networks device to forge a response to a DNS query for a known...

By Danny McPherson At Verisign we take our Internet stewardship mission very seriously, so when details emerged over the past week concerning the XcodeGhost infection, researchers at Verisign iDefense wanted to help advance community research efforts...

by Dirck Copeland, Technical Consultant at Taos The DNS (Domain Name System) is one of the most critical protocols in use on the Internet. Virtually every end user transaction involves a DNS query. Every email, text message, and web page viewed requires...