Question and response
Question
dig mailer.upcloud.com. RRSIG
Answer
The response has no answer records.
Authority
upcloud.com. 1800 SOA dns1.upcloud.com. dns.cloudflare.com. 2397463405 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0