Question and response
Question
dig mail3.fiserv.com. A
Answer
mail3.fiserv.com. 3600 A 8.9.224.39
Authority
fiserv.com. 3600 NS dns4.p07.nsone.net.
fiserv.com. 3600 NS ns1.p201.dns.oraclecloud.net.
fiserv.com. 3600 NS ns2.p201.dns.oraclecloud.net.
fiserv.com. 3600 NS dns2.p07.nsone.net.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0