83.80-87.76.111.217.in-addr.arpa has no NS records.
NS records for this zone are defined at 80-87.76.111.217.in-addr.arpa.
NS records for this zone are defined at 80-87.76.111.217.in-addr.arpa.
Question and response
Question
dig 83.80-87.76.111.217.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
80-87.76.111.217.in-addr.arpa. 7200 SOA ns2.syzygy.de. hostmaster.syzygy.de. 2018100810 10800 1800 1209600 7200
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0