Zone apex
Start of authority
Email
Serial
2018052320
Refresh
1h
Retry
20m
Expire
1h
Negative cache TTL
6m
Question and response
Question
dig alidns.com. SOA
Answer
alidns.com. 1200 SOA ns3.aliyun.com. hostmaster.alibabadns.com. 2018052320 3600 1200 3600 360
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0