What MX Lookup does
MX Lookup is a DNS lookup tool that retrieves the mail exchange records for any given domain. By querying public DNS databases, it reveals the mail servers responsible for receiving email and assigns each server a priority value to indicate routing order. This provides a quick way to verify email routing configurations without needing command-line tools or external services. The output lists each MX record alongside its priority, showing which server handles mail first, second, and so on. It is designed for anyone who needs to check or troubleshoot a domain's email infrastructure. CodeBeautify hosts this tool with a straightforward interface that focuses on the core lookup function. While many similar tools exist, this version emphasizes simplicity and direct results without unnecessary complications. The process is streamlined: enter a domain and receive the recorded mail exchange information instantly, making it accessible for both technical and non-technical users who need quick DNS verification.
How to use the CodeBeautify MX Lookup
- 1
Open the MX Lookup page on CodeBeautify
- 2
Enter the full domain name you want to check into the input field
- 3
Click the lookup or submit button to initiate the DNS query
- 4
Review the list of MX records returned, each showing a mail server and its priority value
- 5
Use the results to verify email routing or troubleshoot delivery issues for that domain
Best for
IT administrators, web developers, and email technicians who need to quickly verify a domain's mail exchange configuration without using command-line tools.
Limitations
- Results depend on the accuracy of public DNS databases
- No option to specify DNS server types or query alternatives
- Output is limited to standard MX record format only
MX Lookup FAQ
- What does an MX record priority number mean?
- The priority number indicates the order in which mail servers should be tried; lower numbers are attempted first, and if that server is unavailable, the system moves to the next priority level.
- Can I use this tool to find the IP address of a domain?
- No, MX Lookup specifically returns mail exchange server hostnames and their priority values, not IP addresses or other record types.
- Why might no MX records be returned for a domain?
- A domain may have no MX records if it relies on A records for email delivery or if the records have not yet propagated through DNS.
- How often are the DNS results updated?
- The tool queries live public DNS databases, so results reflect the current state of the domain's mail exchange configuration at the time of the lookup.