Question and response
Question
dig d249-55.smtp-out.in.ptransmail.com. A
Answer
d249-55.smtp-out.in.ptransmail.com. 300 A 202.162.249.55
Authority
ptransmail.com. 172800 NS ns-1287.awsdns-32.org.
ptransmail.com. 172800 NS ns-1752.awsdns-27.co.uk.
ptransmail.com. 172800 NS ns-410.awsdns-51.com.
ptransmail.com. 172800 NS ns-589.awsdns-09.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0