http://magma.ua4vjlx72wv5crhkificaeysp62hizhazipfshsdvs6jxqvhtkpllcad.onion/guide/data-sources.html
Until early November 2017, all of these were for the
'ANY' record with a fallback A and AAAA request if necessary. After that time,
the ANY study represents only the responses to ANY requests, and dedicated
studies were created for the A, AAAA, CNAME, and TXT record lookups with
appropriately named files.