Dns

Open dns
* 208.67.222.222
* 208.67.220.220

Link per delle best practices

openspf

Bella pagina su wikipedia dove studiare un po'

Verificare i dns

Buon sito per capire meglio i dns
http://www.intodns.com/

Local domain in linux

In the linux desktop machine that DNS server is not configured to answer certain systems.

Because

Microsoft uses .local as the recommended root of internal domains, and serves them via unicast dns. Linux uses .local as the root of multicast dns
http://www.lowlevelmanager.com/2011/09/fix-linux-dns-issues-with-local.html

Solution:
change /etc/nsswitch.conf

 hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4
to 
 hosts:          files dns

after that switch off the cache

 sudo service avahi-daemon stop

This shows that .local domains require to change any linux system in local environment.

For the amazon and rackspace machine this configuration is already setup probably because they use the internal network to do some operations.

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