Blog

A DNS sinkhole supplies a false domain name in response to a DNS query, preventing connections to malicious or unwanted domains. Learn more with BlueCat.

In a DNS attack, DNS is compromised or used as a vector. Learn about the different attack types and how to prevent, detect, and mitigate them with BlueCat.

BlueCat has long known what Gartner now says: Your network needs DNS security. Learn how DNS data logs, threat feeds, and setting policies can help.

The ability to customize all DNS response codes for BlueCat DNS Edge namespaces conditional forwarding provides even more network resilience. Learn more.

The transition to IPv6 is here. Learn more with BlueCat about the necessity of it, the timeline, and the numerous benefits and challenges of IPv4 vs IPv6.

Human error is behind most DNS outages. Learn more from BlueCat about the dire impacts of outages and why homegrown DNS solutions increase outage risk.

When it comes to automation, the right network automation tools are crucial. Learn what to look for and get insight into what’s available out there.

Two architects share firsthand with BlueCat the challenges when cloud and network teams don’t collaborate, and offer advice on how to do it right.

To elevate self-service automation, tie in your IPAM solution and account for IP address over-allocation. Learn how BlueCat Gateway can help.

Collaboration is the key to gaining control over the cloud networking challenges of connectivity, security, and observability. Learn more with BlueCat.

What is a DGA? To evade detection, they churn out domain names and IP addresses for malware command and control servers. Learn more with BlueCat.

During Tech Field Day, BlueCat’s Andrew Wertkin whiteboards three scenarios to show how DDI challenges affect your hybrid cloud strategy.

The gulf between cloud and network teams inhibits the potential of cloud investments. Learn how CIOs can break down the silos from EMA research and BlueCat.

MAC address vs IP address: One is a unique hardware identifier, while the other identifies a device’s network connection. Learn more with BlueCat.

Automating your network can be daunting, but the payoff is huge. Here are eight easy automation tasks to help any network engineer get started.

Many factors affect how you decide to set time to live (TTL) for DNS servers. Learn more, plus how BlueCat Edge’s TTL features can bolster your network.

The public cloud presents major challenges for DNS management. Examine various capabilities and limitations of Azure, AWS, and GCP with BlueCat.

BlueCat’s DDI Day on April 13 celebrated network infrastructure professionals, gave awards to superstars, and drew insight from DNS and DHCP pioneers.

When users implement their own solutions behind the IT team’s back, that’s shadow IT. Learn about the risks and how to manage and reduce it with BlueCat.

Members of BlueCat’s Network VIP community detail the errors they committed, the resulting fallout, and what important lessons they learned.

10 (plus a bonus) Ansible automation modules that anyone—from a beginner to a power user—can leverage to transform their network infrastructure to code.

Government IT innovation isn’t easy, but Chad Sheridan did it at the USDA by removing silos, earning top-level buy-in, and moving to a product mindset.

Lexmark CIO & CTO Vishal Gupta wades through the murk surrounding AI, explaining what tech organizations should know when deciding whether to adopt it.

U.S. cyber agencies now point to protective DNS as a defense strategy, confirming what BlueCat already knew: DNS is critical to detecting network threats.