Zone apex
Start of authority
Email
Serial
50
Refresh
8h
Retry
2h
Expire
7d
Negative cache TTL
2m
Question and response
Question
dig asuscomm.com. SOA
Answer
asuscomm.com. 86400 SOA ns-nw.asuscomm.com. hostmaster.asuscomm.com. 50 28800 7200 604800 120
Authority
asuscomm.com. 86400 NS ns-nw.asuscomm.com.
Additional
ns-nw.asuscomm.com. 604800 A 52.250.42.40