What is MX record in mail server?
Innehållsförteckning
- What is MX record in mail server?
- Whats is the purpose of MX record?
- What are my MX records?
- What does a MX record look like?
- Do I need an MX record?
- Can an MX record be an IP address?
- Do I need an MX record to send email?
- Is MX record mandatory?
- How do I find my MX record for email?
- How are MX records used in sending mail?
What is MX record in mail server?
A mail exchanger record (MX record) specifies the mail server responsible for accepting email messages on behalf of a domain name. It is a resource record in the Domain Name System (DNS). It is possible to configure several MX records, typically pointing to an array of mail servers for load balancing and redundancy.
Whats is the purpose of MX record?
An MX (mail exchange) record is an entry in your DNS. zone file which specifies a mail server to handle a domain's email. You must configure an MX recordMail Exchanger record is a record in DNS that specifies which server is handles email messages. to receive email to your domain.
What are my MX records?
MX records stand for Mail Exchange records and are set in the DNS for sending the email to your email address. The MX records tell which mail server will receive the incoming emails for that specific domain and where your domain's emails should be routed as per the Simple Mail Transfer Protocol (SMTP).
What does a MX record look like?
An MX-record is simply a DNS-entry that tells the sending server (SMTP-server) where to deliver the email. A typical MX-record would look something like this: ... 3600 IN MX 0 mail.example.com. This means that all emails for example.com (i.e. [email protected]) should be delivered to 'mail.example.com'.
Do I need an MX record?
By standard, your sender domain is not required to have an MX record. RFC 5321 makes an MX record optional. However, an MX record is somewhat of a standard today. Due to spamming practices, a number of receiving servers may reject your messages when there's no MX record for the sender's domain.
Can an MX record be an IP address?
As specified in RFC 1035, the MX record contains a domain name. It must therefore point to a host which itself can be resolved in the DNS. An IP address could not be used as it would be interpreted as an unqualified domain name, which cannot be resolved.
Do I need an MX record to send email?
No you don't need an MX record. An MX record designates where email for a domain goes, not where it comes from. Anyone using the MX record as a test to determine if the sending server is valid is doing it wrong.
Is MX record mandatory?
By standard, your sender domain is not required to have an MX record. RFC 5321 makes an MX record optional. However, an MX record is somewhat of a standard today. Due to spamming practices, a number of receiving servers may reject your messages when there's no MX record for the sender's domain.
How do I find my MX record for email?
To use NSLOOKUP to view MX records:
- Open a command prompt.
- Type "nslookup" then press Enter. You will see the following: Default Server: ...
- Type "set type=mx" then press Enter.
- Type the domain name that you want to look up, then press Enter. The MX records of that domain will appear.
How are MX records used in sending mail?
An MX-record (Mail eXchange-record) is a type of resource record in the Domain Name System (DNS). This is the system that, among other indicates to what specific IP address emails need to be sent. The MX-record contains the host name of the computer(s) that handle the emails for a domain and a prioritization code.
