submission.antispamcloud.com has no TXT records.
Question and response
Question
dig submission.antispamcloud.com. TXT
Answer
The response has no answer records.
Authority
submission.antispamcloud.com. 600 SOA ns-1242.awsdns-27.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0