Question and response
Question
dig mxbackup.icewarp.net. CERT
Answer
The response has no answer records.
Authority
icewarp.net. 1800 SOA delilah.ns.cloudflare.com. dns.cloudflare.com. 2395844364 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0