ASPMX3.GOOGLEMAIL.COM has no TXT records.
Question and response
Question
dig ASPMX3.GOOGLEMAIL.COM. TXT
Answer
The response has no answer records.
Authority
GOOGLEMAIL.COM. 60 SOA ns1.google.COM. dns-admin.google.COM. 873978624 900 900 1800 60
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0