Know your domain's posture — before someone else finds out.

PostoChecker gives IT/IS administrators fast, self-service checks for email threats, DMARC reports, domain authentication, and IP reputation — the answers a SOC platform would give you, without deploying one.

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Our services

Provide a general summary of the services you provide, highlighting key features and benefits for potential clients.

Email Header Threat Analyzer

Paste raw headers or drop an .eml file. Get routing reconstruction, SPF/DKIM/DMARC alignment, link forensics, and a correlated verdict — OK, Suspicious, or Likely Spam/Phishing — in seconds.

Automated Intelligence DMARC RUA Report Card

Turns raw DMARC aggregate (RUA) XML and MTA-STS (TLS) Json into a plain-language summary your team can actually read and act on..

One scan covers SPF, DKIM, DMARC, MTA-STS, and BIMI presence, each graded against its IETF spec, with a combined posture score.

Domain Posture Scanner

IP Blacklist Check and Report Dispatch Hub

Report and check a source IP against community DNSBL/blacklist sites — built for abuse investigations and deliverability triage.

WHY POSTOCHECKER

Built around how IT/IS admins actually work — not how a security platform assumes they should

Privacy-first

Runs entirely in your browser. Message bodies are never uploaded — the only outbound calls are DNS-over-HTTPS lookups against public resolvers.

Standards-grounded

Every grade cites the RFC behind it, so a verdict is never a black box.

Correlated, not siloed

Header findings and live domain posture blend into one verdict — an auth-failing message against a locked-down domain reads as forgery, not two disconnected reports.

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Ready to check your posture?

The full suite launches soon — check back for the live portal.

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INFINITY 8, L3-023, Level 3, 6, Jalan Cochrane, Seksyen 90, 55100 Kuala Lumpur, Wilayah Persekutuan

+6013 383 8523