https://web.archive.org/web/20210110152154/https://old.reddit.com/r/signal/comments/kb7v0v/pihole_blocking_a_new_domain_from_signal_can_we/ https://web.archive.

https://web.archive.org/web/20210110152154/https://old.reddit.com/r/signal/comments/kb7v0v/pihole_blocking_a_new_domain_from_signal_can_we/ https://web.archive.org/web/20210110152154/https://old.reddi... They appear to be using IBM Cloud services too, for certain things