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Non-authoritative answer:	mail exchanger = 30	mail exchanger = 10	mail exchanger = 40	mail exchanger = 20	mail exchanger = 50

Authoritative answers can be found from:	internet address =	has AAAA address 2607:f8b0:400d:c0b::1a	internet address =	has AAAA address 2607:f8b0:4003:c18::1b	internet address =	has AAAA address 2607:f8b0:400c:c06::1a	internet address =	has AAAA address 2607:f8b0:4002:c03::1a	internet address =	has AAAA address 2800:3f0:4003:c00::1a

What is MX Record?

MX (Mail Exchanger) record, is a DNS record pointing to the server that is responsible for handling e-mail. MX Record contains configurations info how to send email for given domain. It tells where the mail server should be sent.

MX Record Format

Common MX Record format is like following:
DOMAINNAME: It is the name of your domain name.

CLASS: Always set with IN which means Internet.

TYPE: Always set with MX for MX records.

TTL: Time to Live, It indicates how long it will take to updae the record. A TTL of 86400 means records will take a day to update. A higher TTL value means less traffic load for the DNS server, but it also means that changing the MX records will take longer.

PRIORITY: Priority is used if there are more than one MX record for single domain name. It indicates the priority which mail servers should be used. Lower priority number means higher priority.

Example MX Record format: IN MX 86400 10 IN MX 86400 20 IN MX 86400 30 IN MX 86400 40