Email DNS Records Guide

Email DNS records are essential for proper email delivery and security. Here's how to set up different types of DNS records for your email system:

MX Records (Mail Exchange)

MX records direct email traffic to the correct mail servers. To add MX records:

1. Access your DNS settings
2. Choose between preset or custom records
3. For custom records:
   • Select MX as record type
   • Enter @ in the Host field
   • Add priority number (0-255)
   • Input mail server URL in Data field

DKIM and SPF Records

These TXT records authenticate your email and prevent unauthorized sending:

• DKIM: Add as TXT/CNAME record with provider-specific host and data
• SPF: Add as TXT record starting with "v=spf1"
• Multiple SPF records will automatically combine

DMARC Records

DMARC verifies your domain for email campaigns:

1. Select TXT as record type
2. Enter "_dmarc" in Host field
3. Add provider's TXT record value
4. Note: Only one DMARC record allowed per domain

SRV Records (Service Records)

To add SRV records:

1. Gather required information:

   • Service name (e.g., _smtp)
   • Protocol (e.g., _tcp)
   • Priority/TTL
   • Weight
   • Port number
   • Target URL

2. Create the record:

   • Type: SRV
   • Host: [Service].[Protocol]
   • Priority: TTL number (if available)
   • Data: [Weight] [Port] [Target]

Key Points:

• Verify records after adding
• Use preset records when available
• Maintain proper record formatting
• Keep documentation from providers handy
• Monitor email deliverability after changes

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