mail.alfaran.eu has no NS records.
NS records for this zone are defined at alfaran.eu.
NS records for this zone are defined at alfaran.eu.
Question and response
Question
dig mail.alfaran.eu. NS
Answer
The response has no answer records.
Authority
alfaran.eu. 1800 SOA dawn.ns.cloudflare.com. dns.cloudflare.com. 2394440622 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0