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DNS Infrastructure

Deep-dives into the architecture of domain name systems and record management.

Dedicated SPF flattening vs standard DNS suites: A 2026 comparison

When evaluating how to resolve the **RFC 7208** ten-lookup bottleneck, IT teams must choose between standard generalist DNS providers with basic flattening add-

·6 min read
Enterprise SPF governance: Subdomain delegation and the 10-lookup limit

Enterprise SPF governance: Subdomain delegation and the 10-lookup limit

Enterprise IT infrastructure teams face a quiet crisis when scaling cloud communications: stuffing every marketing, CRM, and transactional vendor into a single

·7 min read
The hidden DNS timeouts corrupting your email deliverability

The hidden DNS timeouts corrupting your email deliverability

Your SPF record syntax is perfect, your DKIM keys pass, and your DMARC policy is strict—yet Gmail and Microsoft are still rejecting your mail with a `554 5.4.7`

·7 min read
Dynamic vs static DNS architecture for multi-vendor enterprise email

Dynamic vs static DNS architecture for multi-vendor enterprise email

When a third-party marketing vendor silently shifts its sending IP pool, a static DNS record fails instantly, dragging your domain's email deliverability down w

·7 min read
Command-line SPF troubleshooting: How to trace and count lookups using dig

Command-line SPF troubleshooting: How to trace and count lookups using dig

Web-based SPF checkers often mask the actual path of your DNS resolution and cache stale data, leaving you blind to what mail receivers actually see. When your

·7 min read
Why your SPF record breaks when combining Microsoft 365 and Salesforce

Why your SPF record breaks when combining Microsoft 365 and Salesforce

AutoSPF helps organizations resolve the complex email delivery failures that arise when combining Microsoft 365 and Salesforce on a single domain. These errors

·8 min read