brieftaube01.drei.host has no MX records.
Question and response
Question
dig brieftaube01.drei.host. MX
Answer
The response has no answer records.
Authority
drei.host. 3600 SOA adns1.drei.com. at\.dns.drei.com. 2026030201 14400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0