On June 29, 2020, 03:19 AM UTC, https://mail.yahoo.com/ presented signs of DNS tampering on AS0 in Unknown. This might mean that https://mail.yahoo.com/ 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