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--- internet:dns:public_dns [2015/12/25 18:36]
gcooper
+++ internet:dns:public_dns [2016/01/02 21:40] (current)
gcooper
@@ Line 6: / Line 6: @@
 See also **[[networking:firewall:csf|ConfigServer Security & Firewall (CSF)]]**
+See also **[[internet:security:hosts_file|Hosts File]]**
+http://www.thatfleminggent.com/2009/08/09/getting-a-powerdns-recursor-up-and-going-fast
 http://windowsitpro.com/networking/secure-your-dns-servers
@@ Line 13: / Line 17: @@
 http://www.microsoftnow.com/2013/10/hosting-your-public-dns-servers-on-windows-azure.html
+===== Install PowerDNS Recursor on Ubuntu Server =====
+<file>
+apt-get install pdns-recursor
+</file>
+<file>
+vim /etc/powerdns/recursor.conf
+allow-from=0.0.0.0/0
+etc-hosts-file=/etc/hosts
+export-etc-hosts=on
+forward-zones=internal.yourdomain.com=10.0.0.20
+local-address=127.0.0.1,123.123.123.123
+log-common-errors=yes
+</file>
+:!: With ''export-etc-hosts=on'', we can take advantage of a ''hosts'' file with ad servers.
+===== Configure a Mikrotik Router as DNS Client and Caching DNS Server =====
+  - Select **IP -> DNS -> Allow Remote Requests**
+    - Allows LAN clients behind the Mikrotik to use it as their DNS server
+  - Configure the LAN's DHCP server to hand out the Mikrotik's IP address as the DNS server
+    - **Mikrotik as DHCP Server** configuration shown here
+{{ :internet:dns:mikrotik_caching_dns.png?350 |Mikrotik IP DNS Settings}}
+{{ :internet:dns:mikrotik_dhcp_dns.png?650 |Mikrotik DHCP Server Settings}}
+<file>
+/ip dhcp-server
+add address-pool=dhcp_pool1 disabled=no interface=bridge1 lease-time=3d name=dhcp1
+/ip dhcp-server network
+add address=192.168.20.0/24 dns-server=192.168.20.1 gateway=192.168.20.1
+</file>

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