a2.info.afilias-nst.InFO has no NS records.
NS records for this zone are defined at info.afilias-nst.InFO.
NS records for this zone are defined at info.afilias-nst.InFO.
Question and response
Question
dig a2.info.afilias-nst.InFO. NS
Answer
The response has no answer records.
Authority
info.afilias-nst.info. 86400 SOA . noc.afilias-nst.info. 2008123000 10800 3600 2592000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0