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What is DNS DKIM record?

DKIM - type of DNS record for email authentication that helps prevent spammers and fake emails. DKIM adds a digital signature to an email. This helps mail servers check and verify that the message really came from the claimed sender's domain.

How does DKIM work?

If the email contains encrypted data about who sent it and when, the mail server receives this data with the email and decrypts it using the public key stored in the domain from which the email was sent. If the data match, the email is considered trustworthy and can be allowed into the mailbox. If the data does not match, the email may be marked as "Spam".

Note: When you purchase a mailbox from Site.pro, the server will automatically integrate a DKIM (TXT) record to protect your domain against phishing attempts and data theft.

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  • A DKIM (DomainKeys Identified Mail) record is a DNS (Domain Name System) record used for email authentication. It allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain. Here is an example of how you might format a DKIM record in DNS:
  • ```
  • selector._domainkey.yourdomain.com IN TXT "v=DKIM1; k=rsa; p=public_key"
  • ```
  • - `selector`: A unique name to help identify the DKIM record.
  • - `_domainkey`: A fixed part of the DKIM record naming convention.
  • - `yourdomain.com`: Your domain name.
  • - `v=DKIM1`: Version of DKIM being used.
  • - `k=rsa`: Key type, usually RSA.
  • - `p=public_key`: The public part of the cryptographic key pair.
  • When an email is sent, the email server uses the private key to create a digital signature, which is added to the email header. The receiving server retrieves the public key from the DKIM record in DNS to verify the signature and ensure the email has not been tampered with.