MX Blacklist Checker
Security & Privacy
MX Blacklist Checker
Check whether MX-resolved IPv4 addresses appear on major DNS-based blacklist zones.
MX Blacklist Checker
Check whether MX-resolved IPv4 addresses appear on major DNS-based blacklist zones.
- Works entirely in your browser
- No server uploads or installs
- Minimal, consent-based analytics
#email#mx#rbl#dnsbl#blacklist#deliverability
Why teams trust SHRTX
Privacy-first
Runs entirely in your browser session.
No uploads
Inputs stay in your browser during processing.
Predictable performance
No server queue delays for standard tasks.
Operational control
You choose method, options, and output flow.
API
If you need this workflow at scale, automate it in your product.
Scale this workflow in your product
Automate security operations across pipelines and integrate browser-first processing into your application stack.
Coming Soon