<div style="font-family: Arial; text-align: left; font-size: 14px; color: #000000;">When I use a slave server I wonder about something:</div><div style="font-family: Arial; text-align: left; font-size: 14px; color: #000000;"><br></div><div style="font-family: Arial; text-align: left; font-size: 14px; color: #000000;">Why do I need zone files when the data is stored into /var/lib/nsd/nsd.db and so the zone files remain empty?<br><br><br><hr style="border: 0; border-bottom: 1px solid #DADADA;"><b>From:</b> <a href="/email/new/1/kaulkwappe@prvy.eu">kaulkwappe@prvy.eu</a><br><b>Sent:</b> Tuesday, 28. Aug 2018 – 15:05 CEST +0200<br><b>To:</b> <a href="/email/new/1/nsd-users@NLnetLabs.nl">nsd-users@NLnetLabs.nl</a><br><br><b>Subject:</b> Re: [nsd-users] How to dynamically add and remove zones?<br><br></div><div>
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<div style="font-family: Arial; text-align: left; font-size: 14px; color: #000000;">I understand. Well then I will create an own implementation for this : )</div><div style="font-family: Arial; text-align: left; font-size: 14px; color: #000000;"><br></div><div style="font-family: Arial; text-align: left; font-size: 14px; color: #000000;">I've used PowerDNS before but switched to NSD because NSD in my opinion is more lightweight, cleaner and works more comprehensible.<br><br><br><hr style="border: 0; border-bottom: 1px solid #DADADA;"><b>From:</b> Anand Buddhdev <<a href="/email/new/1/anandb@ripe.net">anandb@ripe.net</a>><br><b>Sent:</b> Tuesday, 28. Aug 2018 – 15:00 CEST +0200<br><b>To:</b> <a href="/email/new/1/nsd-users@NLnetLabs.nl">nsd-users@NLnetLabs.nl</a><br><br><b>Subject:</b> Re: [nsd-users] How to dynamically add and remove zones?<br><br></div><div>
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<pre style="white-space: pre-wrap; color: #173860;">On 28/08/2018 14:35, kaulkwappe@prvy.eu wrote:
> What is the exact reason for this behaviour? Shouldn't slave servers always
> provide the same data as the master?
There's nothing in the DNS protocol to tell one DNS server to become a
slave of another for a particular zone. DNS server configuration is
*independent* of the protocol. The operator has to tell a DNS server
which zones to serve, and whether they are master zones or slave zones.
Some DNS servers, such as PowerDNS have features to allow a master to
configure slaves automatically, but this is not a standard feature, and
NSD certainly does not have this feature.
Regards,
Anand
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