How to Use the DIG command

This article explains how to use the DIG (Domain Information Groper) command, an essential tool for executing DNS queries. It helps users troubleshoot issues, verify DNS configurations, and retrieve domain-specific information. Here’s a comprehensive guide on using the DIG command effectively.

DIG allows you to perform various DNS queries, including:

• A Record: Retrieves the IP address of a domain.
• TXT Record: Displays text annotations related to the domain.
• MX Record: Identifies the mail exchange servers for a domain.
• NS Record: Lists the name servers for a domain.

How to Run the DIG Command

1. Open Your SSH Client:
   Access your hosting account or any system with a terminal interface. If you’re unfamiliar with SSH, refer to your hosting provider’s documentation on connecting via SSH.
2. Run the Command:
   1. Use the basic syntax: dig domain.tld
      Replace ‘domain.tld’ with the domain name you want to query.

Understanding DIG Output

Here’s an example output for dig cchostingdemos.com:
; <<>> DiG 9.11.4 <<>> cchostingdemos.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52628
;; QUESTION SECTION:
;cchostingdemos.com. IN A

;; ANSWER SECTION:
cchostingdemos.com. 300 IN A 104.21.69.5
cchostingdemos.com. 300 IN A 172.67.202.37

;; Query time: 7 msec
;; SERVER: 198.58.107.5#53
;; MSG SIZE rcvd: 79

• Header Section: Contains technical details about the query and response, including the status (e.g., NOERROR for successful responses).
• Question Section: Shows the query sent to the DNS server.
• Answer Section: Displays the domain’s IP addresses.
• Query Statistics: Provides information like query time and server details.

Quick DIG commands you should know:

1. Get Only the Answer:
   dig domain.tld +short
2. Retrieve A Record:
   dig domain.tld A +noall +answer
3. List Mail Servers (MX Records):
   dig domain.tld MX +noall +answer
4. Get Name Servers (NS Records):
   dig domain.tld NS +noall +answer
5. Fetch All Records:
   dig domain.tld ANY +noall +answer
6. Query a Specific Name Server:
   dig A domain.tld @ns1.yourhost.com +short
7. Trace the DNS Path:
   dig domain.tld +trace

The DIG command is a versatile and powerful tool for DNS management. These commands help troubleshoot DNS issues, analyze configurations, and gather detailed domain information.

Mastering the DIG command simplifies DNS-related tasks and enhances your ability to manage domains efficiently. Do not hesitate to contact our support staff if you require assistance.

Read Also: How to Test DNS with Dig and nslookup