172.93.40.217.16clouds.com has no SRV records.
Question and response
Question
dig 172.93.40.217.16clouds.com. SRV
Answer
The response has no answer records.
Authority
172.93.40.217.16clouds.com. 43200 SOA ns1.16clouds.com. mail.localhost. 2026030301 43200 7200 1800000 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0