Question and response
Question
dig o1.mailgun.smartrecruiters.com. A
Answer
o1.mailgun.smartrecruiters.com. 300 A 161.38.207.9
Authority
smartrecruiters.com. 300 NS ns-1508.awsdns-60.org.
smartrecruiters.com. 300 NS ns-1909.awsdns-46.co.uk.
smartrecruiters.com. 300 NS ns-216.awsdns-27.com.
smartrecruiters.com. 300 NS ns-770.awsdns-32.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0