crawler.help-it.biz has no NS records.
NS records for this zone are defined at help-it.biz.
NS records for this zone are defined at help-it.biz.
Question and response
Question
dig crawler.help-it.biz. NS
Answer
The response has no answer records.
Authority
help-it.biz. 180 SOA ns11.starlink.ua. root.help-it.biz. 2025123001 7200 3600 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0