bbcustomer.zsttk.net has no TXT records.
Question and response
Question
dig bbcustomer.zsttk.net. TXT
Answer
The response has no answer records.
Authority
bbcustomer.zsttk.net. 86400 SOA ns1.zsttk.net. hostmaster.zsttk.ru. 2013071700 43200 3600 2419200 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0