案例
nslookup
set type=ns
xx.com
服务器: dns.xx.ccom
Address: 1.1.1.1
非权威应答:
xx1.ccom nameserver = ns2.xx.ccom
xx2.ccom nameserver = ns1.xx.ccom
www.aa.ccom
服务器: dns.bb.ccom
Address: 2.2.2.2ls aa.ccom
[ns2.aa.ccom]
c.aa.ccom. NS server = ns1.xx.ccom
bb.aa.ccom. NS server = ns2.xx.ccom
app A x.x.x.x
app2 A x.x.x.x
app3 A x.x.x.x
ca A x.x.x.x
