Dev Tools · 1h ago
Check IP Blacklists with a Single Curl Command
A developer created a free API that checks an IP against 12 DNS-based blacklists in one request. The tool, hackmyip.com, handles DNSBL queries that often fail on public resolvers like 8.8.8.8. It returns a clean/listed status along with per-list results.
Meridian48 take
Useful for sysadmins, but relying on a third-party API for email deliverability checks introduces its own trust and availability concerns.
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How to check if an IP is blacklisted (DNSBL), from raw DNS to one curl →
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dnsblip-blacklist-checker