192-223.158.166.83.in-addr.arpa has no NS records.
NS records for this zone are defined at 158.166.83.in-addr.arpa.
NS records for this zone are defined at 158.166.83.in-addr.arpa.
Question and response
Question
dig 192-223.158.166.83.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
192-223.158.166.83.in-addr.arpa. 5 SOA ns1.swisscenter.com. hostmaster.swisslink.ch. 2019030400 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0