Zone apex
Start of authority
Email
Serial
2034479757
Refresh
2h
Retry
1h
Expire
28d
Negative cache TTL
6h
Question and response
Question
dig cn. SOA
Answer
cn. 86400 SOA a.dns.cn. root.cnnic.cn. 2034479757 7200 3600 2419200 21600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0