Tech Blog
Hostname vs domain name can be confusing because the two terms often appear together and sometimes look almost identical. However, they describe different parts of how computers and websites are identified on a network. A domain name usually identifies a website, organization, or internet resource. A hostname identifies a specific device or service within that … Read More “Hostname vs Domain Name: What’s the Difference?” »
The Dig command is one of the easiest ways to investigate a DNS timeout because it shows whether a DNS server answers your query and how long the response takes. A DNS timeout happens when your device or a DNS resolver sends a query but does not receive an answer within the expected time. When … Read More “DNS Timeout: Causes and Fixes” »
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” »
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 Propagation is the process that happens after you change a domain’s DNS records and those changes begin spreading across DNS servers and resolvers around the world. If you have ever updated an A record, changed nameservers, connected a domain to a new hosting provider, or modified an MX record, you may have noticed that … Read More “What Is DNS Propagation and How Long Does It Take?” »
VoIP has changed the way people and businesses communicate. Instead of relying only on traditional telephone lines, calls can now travel through the Internet, making communication more flexible, scalable and easier to manage. VoIP stands for Voice over Internet Protocol. It allows voice calls to be transmitted through IP networks, including the Internet. Today, VoIP … Read More “What Is VoIP? How It Works, Benefits and Key Features” »
The Dig command is a powerful DNS lookup tool that helps you find information about domain names, DNS records, nameservers, mail servers, and IP addresses. System administrators, developers, and network engineers often use it to troubleshoot DNS problems and verify that a domain is configured correctly. If you are new to DNS, the output may … Read More “Dig Command Explained for Beginners” »
A VPN is one of the most widely used tools for improving online privacy, securing remote connections, and protecting data on untrusted networks. Businesses use VPNs to connect employees to internal systems, while individual users rely on them when using public Wi-Fi, accessing home networks remotely, or reducing how much information their Internet connection exposes. … Read More “Why Use a VPN? Benefits, Risks, and Use Cases” »
Every time you visit a website or use an online application, a Traffic Director works behind the scenes to determine the best destination for your request. As businesses expand their infrastructure across multiple servers, cloud providers, and geographic regions, intelligently routing traffic becomes essential for maintaining fast performance, high availability, and a seamless user experience. … Read More “What Is a Traffic Director? A Complete Guide for 2026” »
The topic of our article today is the DNSSEC. It can be seen as a solution to insecure DNS in other instances. It integrates cryptography and establishes a comprehensive chain of trust. So, this guarantees each level and ensures that your domain is secure. That’s one part of his characteristics. However, you’ll learn about the … Read More “DNSSEC breakdown” »
Dynamic DNS – What is it? Dynamic DNS, also commonly called DDNS, serves to update your name server automatically regularly. It is an extremely helpful service. Every time your IP address (IPv4 or IPv6) changes, the corresponding A record or AAAA record is going to be updated. The main benefit of implementing it is that … Read More “Usage and Advantages of Dynamic DNS” »
What is the NSlookup command? The NSlookup command is still a popular tool with a command-line interface for DNS probing. You can use Nslookup commands for checking the domain name, its IP address, or different types of DNS records. It has been around for a long time as a part of the BIND software. It … Read More “NSlookup command – what is it?” »
Cyber attacks use different techniques to harm their targets. Depending on how strong the target’s defenses are, the power of the attack. Today we will talk about DNS flood, considered in the category of the dangerous DDoS attacks. Understanding how it works can be a good way to know how to defend against it. What … Read More “What is a DNS flood?” »
Let’s explore one DNS record with multiple purposes – the DNS TXT record. It is used for various verification methods, and it is essential to the right mail server functionality. What is a DNS TXT record? The DNS TXT record is one DNS record type with multiple purposes like authentication, verification, mail policies, and more. … Read More “Why do we need to use a DNS TXT record?” »
There is nothing more frustrating than not been able to send emails correctly. You want to reach to clients with new offers, contact suppliers for additional materials, inside the company communication, and all with problems! What you need is to fix all the issues and missing configurations. Ensure email delivery with DNS SPF record and … Read More “Ensure mail delivery with DNS SPF record” »
The NAPTR records are not as commonly used as A DNS records, but they have an important purpose: linking servers and users’ addresses in SIP. What is the NAPTR record? NAPTR DNS record is a Name Authority Pointer record. It is a type of DNS record that serves to map servers to the users’ addresses … Read More “NAPTR record explained” »
The Domain Name System (DNS) is key for the modern Internet to work in the practical, efficient and reliable way we know it. DNS matches domain names of websites with their IP addresses and vice-versa. Users just write a domain name in their browser. This browser queries the DNS server, which matches the domain name … Read More “Why use a Managed DNS provider? “ »
Maintenance, updates of software, security measures… Websites owners try everything, and even so, bugs, hardware breakdowns, clustered connections, etc., could get their sites in trouble. What about having a 24/7 monitoring that can be so aware to notify you about an upcoming problem? Or even better, this “vigilant” reacting on time to protect your site … Read More “How does DNS Failover work? “ »
The DS record is a specific DNS record that is used to secure the DNS (DNSSEC). It uses cryptographic keys to verify zones from the DNSSEC chain of trust. What is DNSSEC? DNSSEC is the solution to secure, otherwise unsecured DNS. It is a chain of trust that uses a combination of public and private … Read More “DS record explained” »
