You can increase your DNS cache size,to speed up your browsing.
The DNS is resolving names to IP addresses.This will be done
also when you connect to a web site.This information exchanged with
the destination you connect to,will be stored in the DNS cache.
It does not need to be collected each time you connect to a web site when it
is cached..You can flush the DNS cache with : ipconfig /flushdns.
Ton increase the DNS cache size navigate along :

- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Dnscache\Parameters\

Create here in the right pane the DWORD [DWord Value] entries below
,doubleclick them and enter the value belonging to the entry in Hexdecimal:

(right click , new , REG_DWORD [DWord Value] and name them as below)


CacheHashTableBucketSize (value:00000001)
CacheHashTableSize (value:00000180)
MaxCacheEntryTtlLimit (value:0000fa00)
MaxSOACacheEntryTtlLimit (value:0000012d )


By default, the TTL value in the DNS answer determines how long records are saved in the DNS cache.