smtpout.rwasphost.com has no NS records.
NS records for this zone are defined at rwasphost.com.
NS records for this zone are defined at rwasphost.com.
Question and response
Question
dig smtpout.rwasphost.com. NS
Answer
The response has no answer records.
Authority
rwasphost.com. 3600 SOA dns1.rwasphost.com. bill.rwasphost.com. 2014060363 7200 3600 1209600 3600
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0