211.208-28.2.20.62.in-addr.arpa has no NS records.
NS records for this zone are defined at 208-28.2.20.62.in-addr.arpa.
NS records for this zone are defined at 208-28.2.20.62.in-addr.arpa.
Question and response
Question
dig 211.208-28.2.20.62.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
208-28.2.20.62.in-addr.arpa. 7200 SOA goofy.dcp.se. amir.kgm.se. 2014100801 3600 1200 1209600 7200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0