mail.quattroxx.de has no NS records.
NS records for this zone are defined at quattroxx.de.
NS records for this zone are defined at quattroxx.de.
Question and response
Question
dig mail.quattroxx.de. NS
Answer
The response has no answer records.
Authority
quattroxx.de. 3600 SOA hydrogen.ns.hetzner.com. dns.hetzner.com. 2026031503 86400 10800 3600000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0