mail.bredband2.com has no NS records.
NS records for this zone are defined at bredband2.com.
NS records for this zone are defined at bredband2.com.
Question and response
Question
dig mail.bredband2.com. NS
Answer
The response has no answer records.
Authority
bredband2.com. 1800 SOA lee.ns.cloudflare.com. dns.cloudflare.com. 2398208589 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0