DNS Forwarder Configuration with Caching DNS | Linux DNS Server | Part5
DNS Forwarder Configuration with Caching DNS 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.
Read the Detailed Guide: https://mailserverguru.com/linux-dns-...
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.
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Chapters:
00:00 DNS Forwarder Configuration design explanation.
01:15 DNS Forwarder Configuration with Caching DNS
05:27 DNS DNS Forwarder and Caching DNS Testing From Client PC
🔔 𝗩𝗶𝘀𝗶𝘁 𝗟𝗶𝗻𝘂𝘅 𝗗𝗡𝗦 𝗦𝗲𝗿𝘃𝗲𝗿 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻 𝗣𝗹𝗮𝘆𝗹𝗶𝘀𝘁: 👉 • Linux DNS Server
🔔 𝗟𝗶𝗻𝘂𝘅 𝗗𝗡𝗦 𝗦𝗲𝗿𝘃𝗲𝗿 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗮𝘁𝗶𝗼𝗻𝘀:
Install and Configure Linux DNS Server: 👉 • Install and Configure Linux DNS Serve...
Primary DNS Or Master DNS Server Configuration: 👉 • Primary DNS Or Master DNS Server Conf...
Secondary DNS Or Slave DNS Server Configuration: 👉 • Secondary DNS Or Slave DNS Server Con...
Caching DNS Server Configuration: 👉 • Caching DNS Server Configuration | Li...
DNS Forwarder Configuration with Caching DNS: 👉 • DNS Forwarder Configuration with Cach...
Forward Zone Configuration For DNS Forward Lookup: 👉 • DNS Forward Zone Configuration For DN...
Reverse DNS Configuration For DNS Reverse Lookup: 👉 • Reverse DNS Configuration For DNS Rev...
DNS Records A, PTR, CNAME, NS, MX, SOA, TXT: 👉 • DNS Records A, PTR, CNAME, NS, MX, SO...
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