Domain MX record info

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Domain MX Record Info


MX is short for Mail Exchange. An MX record recognizes the mail server which is responsible for the management of emails in a specific domain.

It is the MX record which signals the sender on how to send an email to one’s website. Domain registration requires the assignment of various DNS records that makes it possible to be located in the internet. One of these records is the MX or Mail Exchange. This record overlooks the domain’s email flow.

What does an MX Record Look Like? Understanding the Format of an MX Record

Because the MX record is key in the functionality of an email and the overall business flow of a domain, web owners or managers need to be familiar with its basics. Big companies assign a think tank to manage such tasks. However, for start-up businesses or independent web owners, it is still possible to access and optimize one’s MX Record by getting acquainted to its most fundamental format.

Here’s the key factors to look for in spotting an MX Record of a domain:

Domain Name

Class. This is normally setup as IN which translates to Internet

Type. This is setup as MX for this kind of DNS info

TTL. This translates to Time to Live. How long does it take to update the MX record? A TTL is measured in seconds. For example, a 3600-second TTL means that it takes 60 minutes to be updated. The higher the TTL value, the lesser the traffic load for the DNS servers. However, changing the MX records will make the TTL longer.

Preference or Priority. This means the order of preference or priority for the email delivery.

Data. This concerns the name of the mail server which manages the email flow of a domain.

For novices, all this different information may seem too much to take. However, the whole process can be summed up to this: the email servers which have the lowest level of MX will be the first to attempt to deliver the email.

Domain MX Record Info – The Important Questions

An MX Record is just one of the important data that can be obtained through the DNS. These records are utilized by mail servers in order to identify email delivery targets.

Frequently Asked Questions Regarding Domain MX Record:

  1. Where can I find my Domain’s MX Records?
  • A domain’s respected domain records can be located on the servers of your DNS provider. Whenever a user changes the MX record of their domain through the DNS provider, other servers also copies the updated MX records.
  1. When should I get my MX Records updated?
  • Upon domain activation, users normally get a prompt or message asking them to update their MX Records. When a user plans to add more domains in the future, it is important to update the MX records after these domains have been added.
  1. What happens when the MX Record is updated?
  • Upon the MX Record update, the mail will then begin to pour in via the domain’s message security service.
  1. Will I lose important information when I update my MX Record?
  • You will not lose any information at all. Many web masters are hesitant to update their MX records because of the wrong notion that it risks losing data. However, just as long as the setup is done correctly, there is no loss of any type of info.
  1. How can I ensure that the MX Records update works?
  • Test that the update was setup successfully by sending an email from a third-party address. Afterwards, view the full headers. This includes twenty to fifty lines. When the headers show, then it indicates that the mail passed through the domain’s message security service.

Because the message flow is an integral part to keeping a domain interactive, it is important to keep tabs on one’s MX record. After verifying how this can be accessed, it leads to the important concern of how to understand the domain’s MX Record info.

This means recognizing the MX record format. It is normally consisting of a Name, Class, Type, TTL or Time to Live, Priority, and Data.

For example, the domain name is, the MX record will typically look like the following: IN MX 86400 1 IN MX 86400 2 IN MX 86400 3 IN MX 86400 4

It is also important to understand that there is a different user interface for the MX Record in every DNS host. Other host make use of trailing period while others do not. Some may allow the users the option to set their TTL while others are more restricting.

Another Reason to Know a Domain’s MX Records

Having a know-how in MX records is an extra layer of security for one’s domain. Many cyber criminals, especially spammers, target a domain’s lowest priority mail servers. This is to zero in on a poorly-setup box. When the Spam program encounters and reads the MX record, it can identify the email server with the least priority or highest number of preference, and will begin attempting to spam with the said server.

Thus, it is important to get a background or access of a domain’s MX Record info because it keeps the overall flow of one’s online business going smoothly.


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