I could be wrong, but I think perhaps if you have no apps that require
or use ipv6 then it gets shut off automatically.
The reason I say that is because this box is a relatively fresh install, and I haven't
messed around with the modules.d yet. However I have switched off ipv6 in Firefoxs
about:config and when I did `ip a | grep inet6` it shows nothing.
Also, my network is very responsive.
Code:
$ COUNTER=0
$ time while [ $COUNTER -lt 10 ]; do host www.google.com; let COUNTER=COUNTER+1; done
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.104
www.l.google.com has address 66.102.7.147
www.l.google.com has address 66.102.7.99
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.104
www.l.google.com has address 66.102.7.147
www.l.google.com has address 66.102.7.99
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.147
www.l.google.com has address 66.102.7.99
www.l.google.com has address 66.102.7.104
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.99
www.l.google.com has address 66.102.7.104
www.l.google.com has address 66.102.7.147
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.99
www.l.google.com has address 66.102.7.104
www.l.google.com has address 66.102.7.147
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.99
www.l.google.com has address 66.102.7.104
www.l.google.com has address 66.102.7.147
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.104
www.l.google.com has address 66.102.7.147
www.l.google.com has address 66.102.7.99
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.104
www.l.google.com has address 66.102.7.147
www.l.google.com has address 66.102.7.99
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.147
www.l.google.com has address 66.102.7.99
www.l.google.com has address 66.102.7.104
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
www.l.google.com has address 66.102.7.147
www.l.google.com has address 66.102.7.99
www.l.google.com has address 66.102.7.104
www.google.com is an alias for www.l.google.com.
www.google.com is an alias for www.l.google.com.
real 0m1.220s
user 0m0.027s
sys 0m0.028s
30 looksups and 30 resolves in 1.2seconds? Not bad.
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