小贝关闭DNS递归解析无法打开网页

version 7.1.064, Release 5461P01版本关闭DNS递归解析后，dhcp server ip-pool 1也下发相应DNS，PC测试无法解析域名。相同的配置version 7.1.064, Release 5231版本，PC测试一切都是正常的，求解答这是什么问题？

version 7.1.064, Release 5461P01

#

 sysname H3C

#

 clock timezone Beijing add 08:00:00

#

wlan global-configuration

 calibrate-power self-decisive enable all

#

 wlan band-navigation enable

#

 telnet server enable

#

 port-security enable

#

 dialer-group 1 rule ip permit

#

 ip redirects enable

 ip unreachables enable

 ip ttl-expires enable

#

 nat alg h323

 nat alg ils   

 nat alg mgcp

 nat alg nbt

 nat alg rsh

 nat alg sccp

 nat alg sip

 nat alg sqlnet

 nat alg tftp

 nat alg xdmcp

#

 dhcp enable

#

 ip host H3C 192.168.0.100

 ip host oauthindev.h3c.com 192.168.0.100

 ip host www.spiritapp-wlan-ac.h3c.com 192.168.0.100

#

 module-proxy work-mode route

#

 password-recovery enable

#

vlan 1

#

vlan 100

#              

dhcp server ip-pool 1

 gateway-list 192.168.0.100

 network 192.168.0.0 mask 255.255.252.0

 dns-list 202.106.196.115 219.141.136.10

#

dhcp server ip-pool 100

 gateway-list 172.16.100.1

 network 172.16.100.0 mask 255.255.252.0

 dns-list 172.16.100.1