Question and response
Question
dig usncsmtp.thruinc.com. SRV
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