What is Dual-Stack IPv4/IPv6 Recursive DNS?
Introduction In an increasingly connected world, the demand for IP addresses is ever-growing. As the IPv4 address space reaches its limits, IPv6 is steadily becoming the new norm. In this transition period, Dual-Stack IPv4/IPv6 Recursive DNS serves ...
Understanding Anycast Recursive DNS
Introduction When you're using the internet, every website you visit starts with a DNS (Domain Name System) query. Anycast Recursive DNS is a powerful technology that helps to speed up these queries, making your internet experience faster and more ...
Threat Hunting with Securd
A cloud-based DNS firewall, such as Securd, can be an effective tool for threat hunting by security analysts. Here is a step-by-step guide on how a security analyst can use Securd for threat hunting: Set up Securd: The first step in using Securd for ...
These acronyms and terms are frequently used when discussing securing DNS. DNS: Domain Name System. This is a system that translates human-readable domain names (such as www.example.com) into numerical IP addresses that computers can use to ...
DNS Return Codes
There are many reasons why a DNS query may succeed or fail. Below is a list of the return codes and what they mean. You can filter for DNS response codes in your DigitalStakeout Securd DNS Dashboard and Log Analytics. 0: NoError. This indicates that ...
What is a DNS Firewall?
A DNS firewall is a security tool that helps to protect networks and devices from cyber threats. It works by analyzing DNS (Domain Name System) traffic and identifying requests that match patterns or rules associated with malicious activity. If a ...