Zone apex
Start of authority
Email
Serial
1768972738
Refresh
5m
Retry
10m
Expire
1d
Negative cache TTL
3m
Question and response
Question
dig qq-b.mail.qq.com. SOA
Answer
The response has no answer records.
Authority
mail.qq.com. 180 SOA qq.com. webmaster.qq.com. 1768972738 300 600 86400 180
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0