ams.wordpress.com has no TXT records.
Question and response
Question
dig ams.wordpress.com. TXT
Answer
The response has no answer records.
Authority
ams.wordpress.com. 300 SOA ns1.wordpress.com. hostmaster.wordpress.com. 2005071863 14400 7200 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0