Free Tools
Single-purpose tools that just work.
One thing each. Instant results. No signup, no ads, no "enter your email to see the results."
SPF Record Checker
Validate SPF syntax, count lookups, check the all-qualifier.
Open toolDMARC Analyzer
Parse policy, alignment modes, and reporting setup.
Open toolIP Blacklist Checker
Query 10 major DNSBLs in parallel against your IPs.
Open toolSSL Certificate Checker
Inspect expiry, hostname coverage, and TLS version.
Open toolMX Record Lookup
Resolve mail routing and verify hosts resolve to real IPs.
Open toolAll eight checks in one report
Need SPF + DKIM + DMARC + blacklists + SSL + WHOIS + MX + HTTP at once? Use the free instant check on our homepage.