Question and response
Question
dig uksmtp.thruinc.com. A
Answer
uksmtp.thruinc.com. 60 A 51.132.24.176
Authority
thruinc.com. 28800 NS a1.uberns.com.
thruinc.com. 28800 NS b1.uberns.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0