Hi,
i try to insert dns on ARUBA server provider to switch DNS, but provider tell that the name server check is failed so we can’t insert this dns.
I check your dns on https://dns-check.nic.it/ and mx result in failed status. Have anyone ever experience that?
Thanks from Enrico.
Possibly this issue
but occasionally it’s also a DNS record issue.
What’s the domain?
Ciao Sandro,
ti parlo in italiano 
Allora dominio questo CAMPOELETTRICO.IT dopo aver fatto il testo trovo solo questo parametro fallito:
|mx.campoelettrico.it.|Unresolvable host mx.campoelettrico.it.|FALLITO|
Come si può fixare?
Grazie da Enrico.
Salve Enrico, grazie per il dominio, però meglio usare l’inglese qui
Allora can you post the nameservers Cloudflare assigned to your domain?
Hi Sandro,
ok np
Anyway is not a private info?
Not at all, nameservers are always public
All right. In that case it’s not the nameserver issues (nameservers are correct) but it’s aforementioned DNS issue.
Your MX record points to the host mx of your domain, but there is no such record. That’s what the validation complains about
Ok Sandro,
how can i fix it?
You need to add a DNS record named mx for your mailserver.
Ok Sandro,
i try it and reply here if work!
Hear you soon.
Sure 
it works!
Now i waiting for propagation.
Regards from Enrico.
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