I'd agree that it'd be nice to have some way to look them up out-of-game (and get alerted on interesting ones) but the topic that we had when TZs started seemed to make it rather clear that there isn't enough critical mass to accurately report them. You do need someone to reliably do it on the hour each hour to really make it worth it.
Now, if there was a bot running somewhere to feed that directly into a tracker, that'd just be splendid *cough*. But user reporting for that one is likely a tad too unreliable.
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Your squelch list can be managed and edited from Top right dropdown > Account Prefs > Squelches.