host141-4.playunix.com has no NS records.
NS records for this zone are defined at playunix.com.
NS records for this zone are defined at playunix.com.
Question and response
Question
dig host141-4.playunix.com. NS
Answer
The response has no answer records.
Authority
playunix.com. 3600 SOA backup002-2.playunix.com. root.backup002-2.playunix.com. 2011083060 3600 600 86400 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0