It does seem suspicious though. ehnow.ca was registered on 2025-02-13 and its cert issuer is Google Trust Services, US, while ehnw.ca was registered on 2026-01-07 and its cert issuer is Amazon, US. That seems like an odd discrepancy.
It may be their "url shortener" domain, but for one single letter that seems a bit futile.
I'm not saying the intent is malicious, but most of us are security conscious on the Fediverse.
Also even though it's a Canadian platform, I find it a bit dissapointing I can't even read the content of a single post without having to give my phone number.