Free Cold Email Tools
Send high performing cold emails that get you sales with our free tools.
Showing 26 of 26 free tools
Deliverability Score Checker
Score a domain's email authentication health in one pass: MX, SPF, DKIM, DMARC and, in deep mode, BIMI, MTA-STS and public blocklists.
DeliverabilitySPF Record Checker
Look up any domain's live SPF record, expand every include and redirect, and measure the real DNS lookup count against the RFC 7208 limit.
DNS & AuthenticationDMARC Record Checker
Look up any domain's DMARC record and validate it against RFC 9989 — the enforced policy, alignment settings, report destinations, and what to fix.
DNS & AuthenticationDKIM Record Checker
Look up the DKIM record for any domain and selector, then validate the public key, tag syntax, and key length.
DNS & AuthenticationDNS Validator
Validate a domain's complete email DNS in one click: MX, SPF, DKIM and DMARC, each with an evidence-backed pass, warning, fail or unknown verdict.
DNS & AuthenticationDomain Scanner
Run a comprehensive email-domain security audit and get a transparent 0–10 security-configuration score with a prioritized fix list.
Domain & SecurityEmail Blacklist Checker
Check any mail server IP or domain against dozens of active, documented IP blocklists and domain blacklists.
DeliverabilitySPF Record Generator
Build a valid SPF record for your domain in seconds — add authorized IPs, include senders, pick a policy, and publish one TXT record.
DNS & AuthenticationDMARC Record Generator
Create a valid DMARC record for your domain in seconds, with policies and report addresses built to the current RFC 9989 specification.
DNS & AuthenticationDKIM Record Generator
Generate a 2048-bit DKIM key pair and the exact DNS TXT record to publish — entirely in your browser.
DNS & AuthenticationBIMI Record Checker
Verify a published BIMI record, its logo file and certificate, and the DMARC enforcement BIMI requires.
DNS & AuthenticationBIMI Record Generator
Build a BIMI DNS record for your sending domain with selector, logo URL, and certificate guidance.
DNS & AuthenticationMTA-STS Checker
Check a domain's MTA-STS DNS announcement and HTTPS policy, and compare the policy against its live MX records.
DNS & AuthenticationIP & Domain Reputation Check
See what the public internet sees about your IP or domain: blocklist listings, PTR and forward-confirmed reverse DNS, and SPF/DMARC posture.
DeliverabilityDNS Record Checker
Look up any DNS record type for a domain — A, AAAA, MX, TXT, NS, CNAME, CAA, SOA and SRV — with typed result tables.
DNS & AuthenticationSPF Raw Checker
Paste an SPF record to validate it instantly — mechanisms, qualifiers, macros, and the DNS lookup count, no DNS required.
DNS & AuthenticationEmail Header Analyzer
Paste a raw email to trace received hops, delays, and the SPF/DKIM/DMARC results reported by receiving servers.
Domain & SecurityEmail Mailbox Calculator
Plan how many mailboxes you need for your outreach volume, meeting goals, provider mix, warmup and monitoring.
CalculatorsSales Commission Calculator
Effortlessly calculate ideal sales commissions for sales teams.
CalculatorsCold Email ROI Calculator
Estimate the return on your cold email campaigns — infrastructure costs, reply funnel, and break-even in one calculator.
Calculators
Frequently Asked Questions
Are your tools free to use?
Yes, all our tools are completely free to use.
Do I need to pay for using your tools?
No, you don't need to pay anything to use our tools. They are all available for free.
Are there any hidden fees associated with your tools?
No, our tools are completely free to use without any hidden fees.
Can I access all features of your tools without any cost?
Absolutely! You can access all features of our tools without any cost.
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