mail.fu110.de has no NS records.
NS records for this zone are defined at fu110.de.
NS records for this zone are defined at fu110.de.
Question and response
Question
dig mail.fu110.de. NS
Answer
The response has no answer records.
Authority
fu110.de. 3600 SOA dns13.ovh.net. tech.ovh.net. 2026030203 86400 3600 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0