ans1.ewetel.net has no NS records.
NS records for this zone are defined at ewetel.net.
NS records for this zone are defined at ewetel.net.
Question and response
Question
dig ans1.ewetel.net. NS
Answer
The response has no answer records.
Authority
ewetel.net. 86400 SOA ans0.ewetel.de. hostmaster.ewetel.de. 2025218216 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0