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DNS / TLS / HTTP / SECURITY

Domain Observatory.

See exactly what happens between a domain and the server sitting behind it. Type in a public hostname and the diagnostic runs it through a bounded, SSRF-resistant backend.

PUBLIC PATH
INSPECTOR

TARGET

Start with a domain.

TOOLS LAB / CONTINUE

Explore more tools.

Domain Observatory Network Architect Site Intelligence Lab

Domain Observatory is powered by the open-source ayron-tools-api, built by Ayron Jins while learning how DNS and TLS behave in practice. See also the networking notes and the rest of the Tools Lab.