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Free email toolsQuick utilities for healthier sending and DNS setup.
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Email ValidatorCheck email syntax and identify its domain. Inbox Placement TestReview message copy for basic placement risks. Disposable CheckerDetect temporary and disposable email domains. Email ExtractorExtract unique email addresses from text or HTML. DMARC Record GeneratorCreate a starter DMARC policy for a domain. SPF Flattening ToolReview and simplify an SPF record. MX LookupInspect mail-related DNS resolution for a domain. DMARC CheckerReview the DMARC host used by a domain. List Growth CalculatorEstimate future list size from monthly growth. Email List CleanerNormalize a list and remove duplicate addresses. Email FinderFind normal and obfuscated addresses in text or HTML. ESP FinderIdentify the likely email provider for a domain. Email Name ExtractorInfer a likely name from an email address. Email Health CheckerRun a quick domain and DNS health review. SPF Record GeneratorGenerate a starter SPF policy for a domain. Email Blacklist CheckerPrepare a domain for reputation-list checks. SPF CheckerReview whether a domain publishes an SPF policy. Free DNS LookupResolve public address records for a domain. AI Email WriterDraft a concise professional email from a topic. Email TesterReview subject copy for basic spam wording.

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SPF Checker

Review whether a domain publishes an SPF policy.

Email ValidatorCheck email syntax and identify its domain. Inbox Placement TestReview message copy for basic placement risks. Disposable CheckerDetect temporary and disposable email domains. Email ExtractorExtract unique email addresses from text or HTML. DMARC Record GeneratorCreate a starter DMARC policy for a domain. SPF Flattening ToolReview and simplify an SPF record. MX LookupInspect mail-related DNS resolution for a domain. DMARC CheckerReview the DMARC host used by a domain. List Growth CalculatorEstimate future list size from monthly growth. Email List CleanerNormalize a list and remove duplicate addresses. Email FinderFind normal and obfuscated addresses in text or HTML. ESP FinderIdentify the likely email provider for a domain. Email Name ExtractorInfer a likely name from an email address. Email Health CheckerRun a quick domain and DNS health review. SPF Record GeneratorGenerate a starter SPF policy for a domain. Email Blacklist CheckerPrepare a domain for reputation-list checks. SPF CheckerReview whether a domain publishes an SPF policy. Free DNS LookupResolve public address records for a domain. AI Email WriterDraft a concise professional email from a topic. Email TesterReview subject copy for basic spam wording.

SPF Checker

Review whether a domain publishes an SPF policy.

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Need mailbox-level verification?Use paid credits for SMTP, catch-all, disposable, and risk checks. Unknown results are automatically refunded.

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Email verification for clean lists, fewer bounces, and safer sending workflows.

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