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.

The Cloudflare hiccup involved a sequencing change that confused some systems, and Cloudflare quickly walked it back, but the ...

Some firewall software undoes a feature that was introduced in the DNS patches and could make it easier for attackers to pull off a cache-poisoning attack against the DNS server Nearly a month after a ...