mail.activemail.at has no NS records.
NS records for this zone are defined at activemail.at.
NS records for this zone are defined at activemail.at.
Question and response
Question
dig mail.activemail.at. NS
Answer
The response has no answer records.
Authority
activemail.at. 3600 SOA ns1.netzpionier.at. support.netzpionier.at. 2010091600 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0