> ## Documentation Index
> Fetch the complete documentation index at: https://docs.onchainsuite.com/llms.txt
> Use this file to discover all available pages before exploring further.

# DNS Records

> Understand the DNS records required to authenticate your sending setup.

## Records You May Need

Most sending setups rely on some combination of SPF, DKIM, and DMARC records.

## Tips

* Copy each record exactly as shown.
* Make changes in the correct DNS zone.
* Allow propagation time before rechecking.
* Consolidate conflicting legacy records when needed.
