ce1out.spoerle.com has no NS records.
NS records for this zone are defined at spoerle.com.
NS records for this zone are defined at spoerle.com.
Question and response
Question
dig ce1out.spoerle.com. NS
Answer
The response has no answer records.
Authority
spoerle.com. 86400 SOA pdns77.ultradns.com. domadmin.arrow.com. 2020072693 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0