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Email & DNS power tools
Professional diagnostics for developers, sysadmins and ICT teams. Every check follows the published standards, and results come back in seconds.
6 tools RFC-accurate checks Nothing stored
Deliverability
Domain health check
Score MX, SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI, reverse DNS and blocklists in one run.
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DNS
DNS lookup
Query A, AAAA, MX, TXT, CNAME, NS, SOA, CAA, SRV and PTR records through a validating public resolver.
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DNS
DNS record generator
Build correct SPF, DMARC, MTA-STS and TLS-RPT records for your providers, ready to paste.
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Diagnose
Email header analyzer
Trace every hop, delay and TLS use, and read the SPF, DKIM and DMARC verdicts.
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Reputation
Blocklist checker
Check an IP or every mail server of a domain against SpamCop, Barracuda, PSBL, UCEPROTECT and Mailspike.
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Connectivity
Mail port checker
Test SMTP 25/465/587, IMAP 993/143, POP3 995/110 and HTTPS 443 from the internet.
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Flat monthly pricing in Kenyan shillings: from KES 120 for apps, KES 1,200 for a whole institution. Pay with M-Pesa.