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Free tools for better outreach

A growing kit of deliverability checkers, record generators, calculators and copy tools, built by the team behind Outboundry to help you reach more inboxes and book more meetings. Every tool runs free, right in your browser.

13Free tools

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Deliverability & Authentication5 tools

Diagnose the DNS records that decide whether your cold email lands in the inbox or in spam.

Flagship Domain Health Checker Score your SPF, DKIM, DMARC and MX setup in one go, with an A–F grade. Check my domain SPF Record Checker Look up and validate the SPF record that authorizes who can send as you. Check SPF record DMARC Record Checker Check whether your domain publishes a DMARC policy against spoofing. Check DMARC record DKIM Record Checker Validate your DKIM key so your mail can be cryptographically signed. Check DKIM record MX & DNS Record Lookup Look up MX, TXT, A, NS and CNAME records for any domain. Look up records

Record Generators2 tools

Build correct SPF and DMARC records from your sending setup, copy-ready, no guesswork.

SPF Record Generator Assemble a valid SPF record from the providers you send through. Generate SPF record DMARC Record Generator Build a DMARC record plus a safe none → quarantine → reject rollout. Generate DMARC record

Calculators6 tools

Plan your infrastructure and project your pipeline before you spend a dollar.

Cold Email Cost Calculator Compare per-seat mailboxes against dedicated-IP infrastructure at your volume. Calculate my cost Warmup Ramp Planner Build a week-by-week schedule to get new mailboxes to full volume safely. Plan my ramp Lead Credit Calculator See how many leads, emails, phones and followers your credits actually buy. Calculate my credits Cold Email Setup Calculator Find out exactly how many mailboxes and domains your volume needs. Calculate my setup Cold Email ROI Calculator Project meetings, customers and revenue from a planned send volume. Calculate my ROI LinkedIn Outreach Calculator Model invites, accepts, replies and meetings, and accounts needed. Calculate my outreach

Content & Copy3 tools

Tighten your messaging, beat spam filters, polish your signature, and format LinkedIn posts.

Email Spam-Word Checker Score your cold email copy for spam triggers before you hit send. Scan my email Email Signature Generator Build a clean, copy-ready HTML email signature in seconds. Generate signature LinkedIn Text Formatter Add bold, italic and bullets to LinkedIn posts that LinkedIn won't. Format my text

Mailboundry · New

Run the numbers, then buy the infrastructure

Mailboundry is our own cold email infrastructure: a dedicated IP for every mailbox, domains bought in-app, DNS written automatically, and no per-seat licence at any volume.

Dedicated IP per mailboxDomains from $8/yrFrom $2/mailbox

See Mailboundry

From free tools to full pipeline

Outreach that actually books meetings

These tools fix the basics. Outboundry runs the whole motion: find leads, buy pre-warmed mailboxes, automate LinkedIn + email, and manage every reply in one inbox.

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