4) The recursive DNS server forwards the DNS query to all the subdomains on the list, creating a surge in traffic for the victim's authoritative DNS server. Image: NIC.CZ NXNSAttack has a huge ...

I'm confused. I was working on a clients Server 2008 DNS today and removed the dns forwarders so dns would use the root hints instead, and recursion (to external, web dns queries) stopped working ...

The new DNS server — dubbed Unbound 1.0 — is available at Unbound.net. Unbound is a recursive DNS server, which is used by ISPs and enterprises to support DNS look-ups by users.

Many DNS servers are wrongly configured or running out-of-date software, leaving them vulnerable to malicious attacks, according to a survey published on Monday. The Measurement Factory, an ...

Looking forward, Liu said that only organizations with a specific need for open recursive DNS servers — and the technical ability to keep them from being flooded — should run them.

The new DNS server — dubbed Unbound 1.0 — is available here. Unbound is a recursive DNS server, which is used by ISPs and enterprises to support DNS look-ups by users.

Over a million of the Internet's DNS servers are still vulnerable to a cache-poisoning attack patched in July. ... and over 40 percent allow open recursion, so they accept queries from anyone.