jupiter.ahead.ro has no MX records.
Question and response
Question
dig jupiter.ahead.ro. MX
Answer
The response has no answer records.
Authority
ahead.ro. 3600 SOA neptun.o2it.ro. abuse.o2it.ro. 2025012703 7200 540 86400 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0