Question and response
Question
dig sshmail.smtp25.com. A
Answer
sshmail.smtp25.com. 360 A 63.71.12.33
Authority
smtp25.com. 172800 NS ns-1353.awsdns-41.org.
smtp25.com. 172800 NS ns-1553.awsdns-02.co.uk.
smtp25.com. 172800 NS ns-254.awsdns-31.com.
smtp25.com. 172800 NS ns-533.awsdns-02.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0