Question and response
Question
dig s1._domainkey.xlhost.com. NS
Answer
s1._domainkey.xlhost.com. 5 CNAME s1.domainkey.u35279547.wl048.sendgrid.net.
Authority
wl048.sendgrid.net. 1800 SOA aisha.ns.cloudflare.com. dns.cloudflare.com. 2399791999 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0