gerwestsmtp.thruinc.com has no NS records.
NS records for this zone are defined at thruinc.com.
NS records for this zone are defined at thruinc.com.
Question and response
Question
dig gerwestsmtp.thruinc.com. NS
Answer
The response has no answer records.
Authority
thruinc.com. 14400 SOA a1.uberns.com. admin.thruinc.com. 2602260001 14400 7200 259200 14400
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0