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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