host1.186-13-217.claro.com.py has no MX records.
Question and response
Question
dig host1.186-13-217.claro.com.py. MX
Answer
The response has no answer records.
Authority
claro.com.py. 300 SOA ollwindns01xpw.ctimovil.net. nicmaster.claro.com.ar. 2021110387 86400 3600 1728000 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0