Tech Blog
Both A record and PTR record are performing fundamentally important purposes. Let’s explain a little bit more about them. A record The A record is a popular and commonly used DNS resource record. Its primary duty is to connect the domain name to its corresponding IP address (IPv4). Therefore, every time a user types in … Read More “Differences between A record and PTR record” »
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?” »
The Traceroute command is a network tool that helps you see the complete route of a query and identify problematic spots on the networks, such as slow or not responsive routers. You can use it through the Terminal with a simple “traceroute + domain name” command. It is light, fast, and does the job it … Read More “What is the Traceroute command, and how to use it?” »
A Reverse DNS is usually a premium feature inside a paid managed DNS plan. It is a service that is mostly directed towards IP network owners and offers IP address to domain resolving. Other business owners might also be interested in it because that way, their emails have a better chance of not going to … Read More “What is Reverse DNS?” »
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” »
Round-Robin DNS is the simplest solution that you can apply to create a DNS load balancing for your domain. With Round Robin, you can manage the DNS traffic in a way that will utilize your authoritative name server and redirect the traffic, reducing the stress from a single point (direct to multiple web servers). What … Read More “What is Round-Robin DNS?” »
There are plenty of programs for network diagnostic. You might wonder, do we need one more? If you want to trace the route of a query, yes! The MTR command could slightly outperform the traditional Traceroute command and give some more data, so it has a reason to exist. What is MTR command? MTR comes from Matt’s … Read More “How to use Linux MTR command?” »
