m.wikidata.org currently goes nowhere, it just gives a timeout. It should redirect to www.wikidata.org (with and without any /wiki/... path).
Version: wmf-deployment
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=49262
https://bugzilla.wikimedia.org/show_bug.cgi?id=45005