penthouse.net.do has no MX records.
Question and response
Question
dig penthouse.net.do. MX
Answer
The response has no answer records.
Authority
penthouse.net.do. 600 SOA ns07.gcd-dns.com. dns.jomax.net. 2025061301 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0