smtp.salzburg.at has no NS records.
NS records for this zone are defined at salzburg.at.
NS records for this zone are defined at salzburg.at.
Question and response
Question
dig smtp.salzburg.at. NS
Answer
The response has no answer records.
Authority
salzburg.at. 86400 SOA adns001.dc1.conova.com. domainadmin.conova.com. 2026031202 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0