199-107-188-237.attens.net has no NS records.
NS records for this zone are defined at attens.net.
NS records for this zone are defined at attens.net.
Question and response
Question
dig 199-107-188-237.attens.net. NS
Answer
The response has no answer records.
Authority
attens.net. 600 SOA ns-west.cerf.net. rm-hostmaster.ems.att.com. 40 3600 1800 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0