DNS server isn't responding,' 'DNS lookup failed,' 'NXDOMAIN' and 'DNS resolution timeout' are just some of the possible ways your browser or internet-enabled device tells you there is a DNS failure.

Nearly a month after a critical flaw in the Internet’s Domain Name System was first reported, vendors of some of the most widely used firewall software packages are scrambling to fix a problem that ...

Dan Kaminsky, director of penetration testing at IOActive, discovered a fundamental flaw in the Domain Name System (DNS) protocol that would allow an attacker to massively disrupt the Internet. His ...