FastOS Tools
FastOS Tools

DNS Lookup

Look up DNS records for any domain. Query A, AAAA, MX, TXT, CNAME, and other DNS records.

DNS Lookup

Introduction

The DNS Lookup tool queries DNS records for a domain, such as A, AAAA, MX, TXT, and CNAME. It helps you debug domain configuration, email delivery, and routing issues.

When to use this tool

Use this tool whenever you set up or troubleshoot domains: configuring hosting, email, subdomains, or verifying third‑party verification records.

How to use

1

Enter a domain name

Type a domain such as example.com whose DNS records you want to inspect.

2

Choose record types

Select which DNS record types to query, like A, AAAA, MX, TXT, or CNAME.

3

Run the lookup

Fetch records and view their targets, priorities, and other fields.

Examples

Checking MX records for email

Verify that your domain's MX and SPF records point to the correct email provider during setup.

FAQ

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