Tech Blog
Checking DNS records is useful whenever you want to see where a domain points, verify an email setup, troubleshoot a DNS problem, or confirm that a recent change is working. You can do it from the command line with tools such as dig and nslookup, or use an online DNS checker if you prefer something … Read More “How to Check DNS Records for a Domain?” »
DNS Troubleshooting can feel complicated when a website suddenly stops loading, a domain points to the wrong server, or some users can access a site while others cannot. The good news is that most DNS problems become much easier to solve when you check them in the right order. Instead of changing DNS settings at … Read More “DNS Troubleshooting: A Step-by-Step Guide to Finding DNS Problems” »
DNS errors happen when the Domain Name System cannot complete a request as expected. They can prevent a website from loading, stop emails from reaching their destination, or cause applications and online services to become unavailable. Some DNS errors are temporary. Others point to incorrect DNS records, unavailable name servers, DNSSEC problems, or configuration mistakes. … Read More “Common DNS Errors Explained” »
Few Internet errors are more frustrating than “DNS server not responding.” Your Wi-Fi may still look connected and everything seems normal, yet websites suddenly refuse to open. Fortunately, the cause is often simple. A router restart, fresh DNS cache, or different DNS resolver may be all you need. When those quick fixes do not work, … Read More “DNS Server Not Responding: Causes and Fixes” »
Slow DNS resolution can make a website feel sluggish before the page has even started loading. In many cases, the delay is not caused by the website itself, but by how long it takes to translate the domain name into an IP address. The good news is that slow DNS can usually be traced back … Read More “How to Identify and Fix Slow DNS Resolution?” »
DNS over QUIC is a newer way to send DNS queries securely over the Internet. It combines encrypted DNS with the speed and connection handling of the QUIC protocol. For users, the goal is simple: keep DNS requests private, reduce delays, and make connections more resilient when networks change. What Is DNS over QUIC? DNS … Read More “What Is DNS over QUIC and How Does It Work?” »
The Netstat command is a network troubleshooting tool that lets you view active connections, listening ports, routing information, network interfaces, and protocol statistics on a computer or server. If you need to find out which ports are open, whether a server has active connections, or which application is using a particular port, Netstat can quickly … Read More “Netstat Command Explained: How to Check Network Connections” »
DNS resolver is a key part of the Domain Name System (DNS), the technology that helps your browser find websites on the internet. Every time you type a domain name such as example.com into your browser, a DNS resolver helps find the IP address connected to that domain. Without them, you would often need to … Read More “What Is a DNS Resolver and How Does It Work?” »
Split-Horizon DNS is one of those DNS concepts that sounds more complicated than it really is. The idea is simple: the same domain name can return one answer to users inside a private network and another answer to users on the public Internet. This approach is often used by businesses that want employees to access … Read More “How Split-Horizon DNS Works and When to Use It” »
DNS TTL is a small setting with a big job. It controls how long DNS information can stay cached before it needs to be checked again. Choosing the right TTL can make DNS changes smoother, help with migrations and failover, and reduce unnecessary DNS queries. What Is DNS TTL? DNS TTL stands for Time to … Read More “What Is DNS TTL and Why Does It Matter?” »
