dns_probe.html
The browser version. No terminal required.
What it does
The probe page generates a name that exists only for you and looks it up from your browser. Whatever reaches our nameserver is recorded and shown back: which resolver asked, whether it disclosed part of your address, whether it minimised the name, and what it claims to support.
Example
$ open https://dnsparanoia.com/dns_probe.html
;; the page runs the lookup and opens the report
Reading the answer
a full report
Your browser's resolver reached us and the report describes it.
no client subnet listed
Your resolver did not disclose any part of your address.
nothing came through
The lookup was blocked before it left your network, or the browser used a resolver that never reached us.
Notes
- Without JavaScript you can pick your own random string, look up aa.bb.YOURSTRING.x.dnsparanoia.com, then open the report with that token.
- Your browser may use a different resolver than your terminal does, so the result can differ from the command line tests.