Question and response
Question
dig smtp.gslb.six-group.com. CERT
Answer
The response has no answer records.
Authority
gslb.six-group.com. 10 SOA vip-gslb-prod-zh-vpfi.six-group.com. hostmaster\@six-group.com. 33 3600 900 2592000 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0