What is a HINFO record?

The HINFO record allows you to define the hardware type and Operating System (OS) in use for a host. This information can be used by application protocols such as FTP, which uses special procedures when communicating with computers of a known CPU and OS type. For security reasons, these records are rarely used on public servers.

The HINFO record has the following look in your ClouDNS Control Panel:

Host Type Points to: TTL
www.domain.com HINFO INTEL-386 Windows 1 Hour

Why is it important?

The HINFO record is important because it provides essential details about the hardware and operating system of internet-connected hosts. This information is valuable for network administrators, software developers, and security teams.

Understanding the CPU type and operating system allows administrators to optimize network services and applications for different platforms, ensuring better performance and user experience. For developers, the HINFO record aids in tailoring software to be compatible with various hardware and operating systems, leading to increased efficiency. On the other hand, security teams can utilize this record to identify potential vulnerabilities and take proactive measures to safeguard the network. 

Despite its relatively reduced use in modern networking, the HINFO record remains a valuable resource for gaining insights into the characteristics and capabilities of hosts, contributing to the overall stability and security of the internet ecosystem.

How to create a DNS HINFO record?

Log in to your ClouDNS account, enter your DNS zone management page, and click on the Add new record button. For Type choose "HINFO" and type as follow:

  • Type: HINFO
  • TTL: 1 hour
  • Host: www
  • CPU: Identifiable name of the CPU of the host. Can include digits, letters, hyphen, and forward slash.
  • OS: Name of the Operating system of the host. Can include period, digits, letters, hyphen, and forward slash.

*This hostname is used as an example.

How to add an HINFO record - Step by Step video: 

How to check it?

You can easily check the HINFO record for a domain name by using one of the following commands based on our OS (Operating System):

If you are a Windows user, you can open the Command Prompt and check your HINFO records via Nslookup. Here is an example:

$ nslookup -q=HINFO example.com

If you are a Linux/macOS user, you can open the Terminal and check your HINFO record via DIG. Here is an illustration:

$ dig example.com HINFO

If you prefer to use an online tool, you can check your HINFO record with ClouDNS Free DNS tool.

How to start managing HINFO records for your domain name?

  1. Create a free account from, here - free forever
  2. Verify your e-mail address
  3. Log into your control panel
  4. Create a new Master DNS from the [add new] button - check a tutorial, here
  5. Add the HINFO records you need, as it is described in this article.

Support of HINFO records

ClouDNS provides full support for HINFO records for all our DNS services, including the listed below. Just write to our technical support, if you need any assistance with your HINFO records configuration. Our Technical Support team is online for you 24/7 via live chat and tickets.


Question: Is the HINFO record mandatory for DNS configurations?

Answer: No, the HINFO record is optional, and its usage depends on the specific needs and preferences of domain owners and administrators. Many DNS configurations do not include HINFO records.

Question: Is the HINFO record relevant in modern DNS infrastructures?

Answer: The usage of the HINFO record is less in modern DNS infrastructures. However, it remains part of the DNS ecosystem for those who find value in providing hardware and OS details for their hosts.

Question: Can I have multiple HINFO records for a single domain? 

Answer: Yes, you are able to create and have more than one HINFO record per domain or subdomain.

Last modified: 2024-04-26
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