mail.alfahosting.de has no NS records.
NS records for this zone are defined at alfahosting.de.
NS records for this zone are defined at alfahosting.de.
Question and response
Question
dig mail.alfahosting.de. NS
Answer
The response has no answer records.
Authority
alfahosting.de. 86400 SOA cns1.alfahosting.info. hostmaster.alfahosting.de. 2026031206 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0