pvt.net has no TXT records.
Question and response
Question
dig pvt.net. TXT
Answer
The response has no answer records.
Authority
pvt.net. 86400 SOA dns.nextra.cz. hostmaster.cz.net. 2015081003 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0