I'm running PiHole at home for ad-blocking, and I'm using Cloudflare as the upstream server. PiHole have a description here of how to add Unbound to the system as a recursive DNS resolver, with the ...

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 ...

Microsoft has released a security advisory to mitigate the NXNSAttack vulnerability in DNS servers that could be used to amplify a single DNS request into a DDoS attack against authoritative DNS ...

If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...

Because modems configured as open recursive servers will answer DNS queries from anyone on the Internet, they can be used in what’s known as a DNS amplification attack. In this attack, hackers send ...

As more consumers demand broadband, ISPs are rolling out modems configured to accept DNS queries from all sources, including hackers Internet security experts say that misconfigured DSL and cable ...

Internet security experts say that misconfigured DSL and cable modems are worsening a well-known problem with the Internet’s DNS (domain name system), making it easier for hackers to launch ...