MX records ordered by priority

Mail administrators can prepare several MX records when they need to assign, compare and review the priority attached to each entry.

Arrange MX entries with their respective priorities and produce a clear ordered list that can be reviewed before configuration begins.

How to use

List the mail servers one per line in the input field, starting with the host that should receive the highest priority.
Keep the requested order: the first line normally gets the most preferred priority.
Generate the output to turn your list into MX records with their priority values.
Review the result line by line and confirm that every host is paired with the intended priority.
Copy the prepared list so you can enter it into your DNS zone.

Example

An administrator is preparing two mail hosts and types them in the desired order, for example mail1.example.com followed by mail2.example.com. The generated list gives an ordered set of MX entries to review before creating the DNS records.

Input

mail1.example.com
mail2.example.com

Limits and formats

The builder formats what you type; it does not check that the mail hosts exist or that they accept incoming messages.
Priority is driven by line order, so reversing two lines can change which server is preferred.
Do not paste the result into a DNS zone without checking trailing dots and any provider-specific requirements.
A bad MX change can disrupt mail delivery, so keep a copy of the previous configuration before publishing.

Where processing happens

The list is assembled locally in your browser. The host names you enter are not sent to a remote service and no copy is kept by the tool. This lets you draft several versions privately before deciding which one to publish.

Frequently asked questions

What order should the mail hosts be in?

Put the host that should have the highest preference first, following the hint in the field. The tool uses that order to build the MX list. If you are unsure, confirm the priority convention required by your DNS provider.

Does the builder test the MX hosts?

No. It only formats the entries you supply; it does not contact the hosts or check whether they are reachable. After you publish the records, send a test message to confirm that mail is delivered as expected.

Can I prepare more than two hosts?

Yes, add as many lines as you need, one host per line. The tool will keep them in position. Review each priority afterwards, because a longer list makes an ordering mistake easier to miss.