Question and response
Question
dig mx01.eu.mailspec.com. RRSIG
Answer
The response has no answer records.
Authority
mailspec.com. 1800 SOA duke.ns.cloudflare.com. dns.cloudflare.com. 2396499705 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0