[atlas] Case sensitive DNS queries from the probe

Hello, Looking through DNS queries log I saw tons of queries from the probe for case sensitive names. Can someone please enlighten me what the possible use cases are? query: wWw.FacebOOK.COm IN A query: wWW.Wikia.COM IN A query: WwW.wIkIA.cOM IN A query: POOl.NTP.ORg query: Www.wikiA.CoM IN A query: wWW.FacebOoK.COM IN A query: wWw.faCeBOoK.cOM IN A Yang