hsd1.tn.comcast.net has no TXT records.
Question and response
Question
dig hsd1.tn.comcast.net. TXT
Answer
The response has no answer records.
Authority
hsd1.tn.comcast.net. 900 SOA dns101.comcast.net. dnsadmin.comcast.net. 9898780 7200 3600 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0