a.dns.tele2.net has no NS records.
NS records for this zone are defined at tele2.net.
NS records for this zone are defined at tele2.net.
Question and response
Question
dig a.dns.tele2.net. NS
Answer
The response has no answer records.
Authority
tele2.net. 3600 SOA kista.dns.swip.net. registry.swip.net. 2026046244 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0