Question and response
Question
dig smtp.host904.slaskdatacenter.com. CERT
Answer
The response has no answer records.
Authority
host904.slaskdatacenter.com. 1000 SOA ns1.slaskdatacenter.com. hostmaster.host904.slaskdatacenter.com. 2021052300 1000 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0