mta-dedicated-3-01-01.cloud.vadesecure.com.
Question and response
Question
dig 98.96-27.240.172.163.in-addr.arpa. PTR
Answer
98.96-27.240.172.163.in-addr.arpa. 86400 PTR mta-dedicated-3-01-01.cloud.vadesecure.com.
Authority
96-27.240.172.163.in-addr.arpa. 172800 NS ns-1292.awsdns-33.org.
96-27.240.172.163.in-addr.arpa. 172800 NS ns-1573.awsdns-04.co.uk.
96-27.240.172.163.in-addr.arpa. 172800 NS ns-7.awsdns-00.com.
96-27.240.172.163.in-addr.arpa. 172800 NS ns-829.awsdns-39.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0