What is a DNS Administrator?

**DNS** Administrators manage Domain Name System infrastructure. For email, they configure: MX records (mail routing), **SPF** records (sender authorization), **DKIM** keys (message signing), and **DMARC** policies (authentication enforcement).

Email-specific responsibilities: publishing and maintaining authentication records, troubleshooting **DNS**-related delivery issues, coordinating **DNS** changes for new sending infrastructure, and ensuring **DNS** reliability.

Deliverability relevance: **DNS** underpins email authentication. Misconfigured **DNS** causes authentication failures that harm delivery. **DNS** administrators must understand email authentication requirements even if email isn't their primary focus.

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