Question and response
Question
dig u23552801.wl052.sendgrid.net. DLV
Answer
The response has no answer records.
Authority
wl052.sendgrid.net. 1800 SOA aisha.ns.cloudflare.com. dns.cloudflare.com. 2397897012 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0