mail.networksolutions.com has no TXT records.
Question and response
Question
dig mx.myregisteredsite.com. TXT
Answer
The response has no answer records.
Authority
myregisteredsite.com. 300 SOA 1.ns.web.com. hostmaster.myregisteredsite.com. 2026011300 300 300 300 300
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0