mail.beedns.eu has no NS records.
NS records for this zone are defined at beedns.eu.
NS records for this zone are defined at beedns.eu.
Question and response
Question
dig mail.beedns.eu. NS
Answer
The response has no answer records.
Authority
beedns.eu. 1800 SOA linda.ns.cloudflare.com. dns.cloudflare.com. 2398829422 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0