Free tools
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Free utilities from Tickr
Working tools, no signup, no rate limits on a single check. Built by the team behind Tickr.
HTTP Header Inspector
Free HTTP response header viewer
/http-header-inspector
DNS Propagation Checker
Free DNS propagation status from 8 resolvers
/dns-propagation-checker
SSL Handshake Tester
Free TLS handshake speed and cipher inspector
/ssl-handshake-tester
Need this on autopilot?
Know the second your endpoint goes down.