May 26, 2022

Forwarding DNS Configuration with DNS Caching


Forwarding DNS Configuration with DNS Caching is demonstrated in this video. Any DNS server can act as a DNS Forwarder, however, here, we’ll focus on Caching DNS acting as a DNS Forwarder.

DNS Forwarder is a configuration, not a specific type of DNS Server. Any Server can act as a DNS Forwarder. When a DNS query is sent to a DNS Server, whether it be Primary, Secondary, or Caching DNS, the query is received and the query is resolved via the internet. DNS Forwarder works differently, instead of sending the query to the internet, it sends the DNS query to the Upstream DNS Server. First, It verifies whether the queried answer is in the DNS Cache, if it isn’t, it sends the query to the Upper-level DNS Server.

Most ISP’s DNS servers act as a DNS proxy for their customers, they allow DNS queries from the customers DNS server. If we set up Caching DNS Server on the network, we should also configure it as a DNS Forwarder, so that it can respond to client queries faster. I’ve detailed, how to configure the forwarder DNS and how it works with the caching DNS in this video, so you’ll have a good understanding of DNS Query Forwarding and Cashing Behavior.


🔔 Visit Linux DNS Server Configuration Playlist:
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🔔 Linux DNS Server Configurations
Install and Configure Linux DNS Server: 👉 https://youtu.be/FeZjRF-aVlc
Primary DNS Or Master DNS Server Configuration: 👉 https://youtu.be/fb41xuax8xU
Secondary DNS Or Slave DNS Server Configuration: 👉 https://youtu.be/jygerYi-Ytk
Caching DNS Server Configuration: 👉 https://youtu.be/y_PUUwY0vwc
DNS Forwarder Configuration with Caching DNS: 👉 https://youtu.be/nDJ8WsXYtMs
Forward Zone Configuration For DNS Forward Lookup: 👉 https://youtu.be/4ghXAJvI-t4
Reverse DNS Configuration For DNS Reverse Lookup: 👉 https://youtu.be/ButSB33dXtA
DNS Records A, PTR, CNAME, NS, MX, SOA, TXT: 👉 https://youtu.be/tpQReHosCD4

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