ns1.s433.sureserver.com has no TXT records.
Question and response
Question
dig ns1.s433.sureserver.com. TXT
Answer
The response has no answer records.
Authority
sureserver.com. 2560 SOA sgate1.sureserver.com. hostmaster.sureserver.com. 1772968714 16384 2048 1048576 2560
Additional
The response has no additional records.