Question and response
Question
dig em1488.xlhost.com. NS
Answer
em1488.xlhost.com. 5 CNAME u35279547.wl048.sendgrid.net.
Authority
wl048.sendgrid.net. 7 SOA aisha.ns.cloudflare.com. dns.cloudflare.com. 2398700225 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0