What is a DNS record? A Clear Guide

A DNS record maps your domain to servers and settings. Email relies on MX, TXT (SPF/DKIM/DMARC) and PTR records to route and authenticate mail.

Why it matters

Knowing a DNS record helps you land in the inbox. See the deliverability checklist.

How Rainmail helps

Rainmail sends from your own domain on a dedicated, isolated IP with SPF, DKIM, DMARC, reverse-DNS and managed warm-up handled for you, plus a REST API and an AI watching deliverability — and it welcomes senders SES, SendGrid and Mailchimp reject, from $8. Run the free checker or see plans.