On September 04, 2017, 10:11 AM UTC, https://psiphon.ca/ presented signs of DNS tampering on AS31549 in Iran. This might mean that https://psiphon.ca/ was blocked, but [false positives](https://ooni.org/support/faq/#why-do-false-positives-occur) can occur. Please explore the network measurement data below.
OONI Probe version
Measurement Kit version