Question and response
Question
dig vm593.iai-system.com. CERT
Answer
The response has no answer records.
Authority
vm593.iai-system.com. 3600 SOA dns1.iai-system.com. admin.iai-system.com. 1381999538 21600 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0