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DNS Record Generator (SPF, DMARC, MX)

Generate DNS records to authenticate email delivery and pass spam filters.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Generates valid SPF, DMARC, and MX records necessary for passing DKIM and anti-phishing mailbox checks.

How to use it (step by step)

  1. 1Fill in the boxes: “DNS Record Type”, “Domain Name”, “Mail Provider / Server (e.g. google, outlook, sendgrid)”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

DNS
The internet’s phone book: it turns names like google.com into IP addresses computers can use.
SPF, DKIM, DMARC
Email security settings in DNS. SPF lists who may send for your domain, DKIM adds a digital stamp, DMARC tells receivers what to do with fakes.

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