Question and response
Question
dig smtp.thisispearl.com. A
Answer
smtp.thisispearl.com. 60 A 162.13.173.16
Authority
thisispearl.com. 172800 NS ns-1251.awsdns-28.org.
thisispearl.com. 172800 NS ns-17.awsdns-02.com.
thisispearl.com. 172800 NS ns-1975.awsdns-54.co.uk.
thisispearl.com. 172800 NS ns-783.awsdns-33.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0