
DNS for Email: The Records, TTLs, and Chains That Break Mail
Email is a DNS application. The full record inventory a sending domain needs, the TTL strategy for safe changes, and the misconfigurations that quietly break delivery.
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Email is a DNS application. The full record inventory a sending domain needs, the TTL strategy for safe changes, and the misconfigurations that quietly break delivery.

The links in your email resolve through a domain most senders never chose. Why shared tracking hosts get blocklisted and what a branded CNAME actually fixes.