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Email & DNS Power Tools

Professional-grade diagnostics trusted by sysadmins, developers, and IT teams. Instant results, no signup required.

6 Free Tools Instant Results No Account Needed
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Mail · Instant

Temp Mail

Disposable inbox in one click. Receive email for 60 minutes — zero signup, zero spam in your real inbox.

Open Temp Mail
DNS · Instant

MX Lookup

Check MX, A, NS, TXT and CNAME records for any domain. Diagnose email delivery problems in seconds.

Run MX Lookup
New
DNS · Generator

DNS Record Generator

Generate production-ready SPF, DKIM, DMARC, MX and Autodiscover records. Copy-paste into any provider.

Generate Records
Mail · Analyze

Email Header Analyzer

Trace the delivery path, verify SPF/DKIM/DMARC, and identify routing anomalies from raw headers.

Analyze Headers
Reputation

Blacklist Checker

Scan your IP or domain against 13+ major email blacklists including Spamhaus, SpamCop, and Barracuda.

Check Blacklists
Connectivity

Port Checker

Verify SMTP, IMAP, POP3, and HTTP/S ports are open. Instantly diagnose mail server connectivity.

Check Ports

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