ns3.domainnetwork.com has no TXT records.
Question and response
Question
dig ns3.domainnetwork.com. TXT
Answer
The response has no answer records.
Authority
domainnetwork.com. 86400 SOA udns1.cscdns.net. hostmaster.cscdns.net. 2013080843 14400 3600 2419200 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0