mail.speedpartner.de has no NS records.
NS records for this zone are defined at speedpartner.de.
NS records for this zone are defined at speedpartner.de.
Question and response
Question
dig mail.speedpartner.de. NS
Answer
The response has no answer records.
Authority
speedpartner.de. 300 SOA ns1.dnspartner.de. hostmaster.speedpartner.de. 2026022601 28800 14400 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0