ns1.purteldns.de has no NS records.
NS records for this zone are defined at purteldns.de.
NS records for this zone are defined at purteldns.de.
Question and response
Question
dig ns1.purteldns.de. NS
Answer
The response has no answer records.
Authority
purteldns.de. 3600 SOA ns1.purteldns.de. dns.purtel.com. 2026011503 7200 3600 1814400 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0