Zone apex
Start of authority
Email
none
Serial
2018122017
Refresh
30m
Retry
10m
Expire
1h
Negative cache TTL
6m
Question and response
Question
dig gds.alibabadns.com. SOA
Answer
gds.alibabadns.com. 600 SOA gdsns1.alibabadns.com. none. 2018122017 1800 600 3600 360
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0