New: Explore the AI Stack for Claude skills, outbound automations, and operator workflows
InfraSuite logoInfraSuite

InfraSuite Tools

InfraSuite tools

A focused collection of deliverability and cold-email tools for domain checks, mailbox workflows, and campaign prep.
Pick a tool to open it in its own workspace.

Campaign prep

Sending Persona Generator
Generate mailbox addresses, personas, and ready-to-upload CSVs.
Open tool
Spintax preview
Expand and preview spintax lines before you push them into a sequencer.
Open tool

DNS tools

Domain health check
Run MX, SPF, DKIM, DMARC and blacklist checks in a single report.
Open tool
MX lookup
Confirm mail routing and Microsoft 365 MX readiness.
Open tool
SPF checker
Validate SPF syntax, DNS lookup budget, and M365 authorization.
Open tool
DMARC checker
Analyze DMARC policy with cold-email-specific guidance and checks.
Open tool
DKIM checker
Verify selector records, CNAME chain resolution, and key strength.
Open tool
Blacklist checker
Check domain/IP listing status across major DNSBL providers.
Open tool