Shared resources

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Various shared infrastructure resources are provided to make BitFolk customers' lives easier.


Recursive resolvers are supplied for use in your /etc/resolv.conf or as forwarders for your own resolver.

Your resolver IPs should be:


You can also optionally reach these via IPv6:

  • 2001:ba8:1f1:f205::53
  • 2001:ba8:1f1:f206::53


There are customer-available NTP servers on:


They just use nearby public servers themselves, but using these servers will reduce load on public servers, save you bandwidth and ensure some redundancy.

BitFolk also recommends that you use the following additional off-site NTP servers:


If using the classic ntpd software you can make use of the pool directive to cut the server part of your configuration to:

pool -4 iburst
pool -6 iburst
pool -4      iburst
pool -6      iburst

(Both of those DNS names correspond to many IP addresses; the pool directive causes several of them to be chosen and better handles selecting new ones in event of a failure. The -4 and -6 ensure that addresses from both families are chosen. Ignore the IPv6 ones if you don't have working IPv6.)

See also

apt cache

Main article: apt-cacher

BitFolk provides an apt-cacher service so that users of Debian-based distributions can benefit from the packages already downloaded by other customers. See the apt-cacher page for more details.

Using the apt-cacher also means that software updates will not eat into your own data transfer quota.

Software mirrors

Main article: Local software mirrors

Local mirrors are provided for:

  • CentOS
  • Gentoo Linux

More information about how to use our local software mirrors can be found in the main mirrors article.

Using the local mirrors means that software updates will not eat into your own data transfer quota.


You will not be able to influence the settings of the spamd servers, but you may find them useful as running your own spamd tends to eat up a lot of RAM. To use these spamd servers please use the username Debian-exim.

There are multiple SpamAssassin spamd servers accessible from the hostname, which you can connect to with spamc or any other spamd client. If you need to connect by IP address then please use