Domain Name System Archives

Dig Command Decoded: Unveiling DNS Lookup Secrets

by RazaCommands October 9, 2024October 9, 2024No Comments

The dig command (short for Domain Information Groper) is a simple but powerful tool used to look up DNS (Domain Name System) information. If you’ve ever wondered how the internet knows which website to load when you type a domain name, understanding DNS and the dig command will give you a peek behind the curtain. In this beginner-friendly guide, we’ll explain how this command works, how you can use it, and why it’s an important tool for troubleshooting DNS issues.

What is DNS?

DNS is like the phonebook of the internet. It translates human-readable domain names (like example.com) into IP addresses (such as 93.184.216.34), which are the real addresses computers use to communicate with each other. Whenever you visit a website, your computer asks a DNS server for the IP address associated with the domain name you typed.

NSlookup Command: Your Ultimate Guide to DNS Troubleshooting

by RazaCommands, Network September 20, 2024September 20, 2024No Comments

When troubleshooting DNS issues, the nslookup command is an essential tool in the arsenal of any network engineer or systems administrator. Whether you’re trying to identify IP addresses or diagnose connectivity problems, nslookup provides valuable insight into how DNS servers are resolving domain names. This comprehensive guide dives into the technical details of the nslookup command, breaking down its usage and explaining how it can assist in DNS troubleshooting.

What is NSlookup?

nslookup stands for “Name Server Lookup.” It is a network administration command-line tool used to query Domain Name System (DNS) records. DNS is responsible for translating human-readable domain names like www.example.com into IP addresses, which machines use to identify each other on the network. By using nslookup, you can verify whether the DNS is resolving domain names properly, check the propagation of DNS changes, or troubleshoot issues such as incorrect mappings or DNS server errors.

How to speed up the DNS propagation?

by RazaDNS records, DNS servers, Network April 30, 2024April 30, 2024No Comments

DNS propagation is a fundamental concept in the world of the internet, crucial for both web developers and everyday users. In this article we will dive into what it is, why it takes time, and practical steps to speed up the process.

What is DNS Propagation?

DNS propagation is the process by which the updated DNS records of a domain are spread across all the DNS servers worldwide. Essentially, it’s the period during which updates to a DNS record (such as changing the IP address linked to a domain name) take to be fully updated across the internet’s web servers.

When you make changes to your DNS records, like switching hosting providers or moving to a different server, those changes aren’t immediate. Every server that caches DNS information needs to update its cache, leading to a propagation period.

List of most common DNS records

by RazaDNS records October 24, 2022November 24, 2022No Comments

The Domain Name System (DNS) is essential for the Internet to work. Network administrators deal daily with DNS records. But DNS and its records can be hard to digest for new people in this business.

If you want to understand the functionality of the most common DNS records, here you have!

A or AAAA records

These two DNS records are in charge of linking a domain name with its corresponding IP address.

Both records have the same purpose. The difference is that A works with Internet Protocol version 4 (IPv4), while AAAA works with Internet Protocol version 6 (IPv6).