Question and response
Question
dig s2._domainkey.arnsbomedia.com. NS
Answer
s2._domainkey.arnsbomedia.com. 5 CNAME s2._domainkey.atlassian.net.
s2._domainkey.atlassian.net. 5 CNAME s2.domainkey.u9256.wl007.sendgrid.net.
Authority
wl007.sendgrid.net. 547 SOA aisha.ns.cloudflare.com. dns.cloudflare.com. 2399289114 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0