When I was using a web service that I wanted to connect to, I had to configure my DNS server and configure a DNS client.

I would then use the DNS cache to store my settings and then reload them later.

I found the DNS caching solution was a bit slow and complicated.

However, I eventually settled on using a service that has already been around for a while and is really simple to use.

For instance, if I have a website that is going to host a landing page for a product, I can simply add the following to the top of my site’s .htaccess file: proxy_pass http://localhost:8080 proxy_set_header Upgrade-Host $httpProxyPass https://localhost/products/proxy-caching proxy_cache_bypass $proxy_pass Now, when I visit that website, I will get the cached landing page.

There is a better way to use DNS caching.

In fact, I’m going to go over the basics of how to use this caching solution in this post.

Let’s start with the basics.

DNS caching¶ If you’ve used a DNS service before, then you’ve probably noticed that it has a few settings that affect the performance of your DNS queries.

When you are using a DNS server to host your domain, the DNS server has a number of options to tweak its settings.

DNS servers usually have a cache that they can cache entries for you.

This cache contains the settings from the server that you’ve specified when you set up your DNS server.

The cache will also have a value that determines how long a cache entry will be cached for.

When you access a website from a DNS provider, the cache that the DNS provider provides will be the cached version of the server’s cache.

DNS cache caching comes in two flavors: persistent and dynamic.

Persistent DNS cache¶ You can set up a DNS caching service by setting the DNS service to use the cache from a persistent DNS server, and then setting a value in the DNS client to use that cache.

This is how you would configure the DNSClient.dnsCache option on the DNS Server option in your .htpass file.

For instance, to use caching from the following .htconfig file: server { listen 80; server_name myhost.com; # This is a localhost DNS server default_host_name www.myhost.org; # Myhost.

Com default_port 7777; # Default port for all HTTP servers default_tls_version 1.1; # TLS version 1.0 # cache_dir /tmp; # /tmp # proxy_accept on; # HTTP proxy proxy_buffer_size 64; # buffer size for caching requests proxy_http_version 2; # Use HTTP/1.1 server_reject on; server { root /home/user; } } The cache_options option in the following configuration file sets the cache options.

The example is configured to use persistent caching, which is what we want to do when we are creating a new website.

Dynamically caching DNS servers¶ A DNS server can be configured to cache entries from any domain, but persistent caching servers will use only cached entries.

Dynamic DNS caching means the DNS servers cache the DNS settings from a dynamically generated list of domains.

For example, when we set up the DNS Client.dhsCache option in our .htclient file, we will use the cached DNS settings of the static website, so the DNS caches are dynamically generated: server{ listen 80:80; server _host_addr www.example.com.server; # Your DNS host name, not the static IP of the site root /path/to/your/site; proxy_buffers 64; proxy = proxy_connect($hostname, $port); # If the server supports dynamic DNS caching, then it should support this.

proxy_server_ticks 1; proxy(s) off; proxy cache_timeout 30s; proxy rewrite_cache; proxy no_cache off; # The server will only cache your DNS settings for one hour proxy_dns_cache on; proxy proxy(hostname $server) server { # Do nothing here, but make sure that you use the default host name.

proxy=socks4 proxy_bind_http(host $hostname); proxy_get_header Cache-Control ‘max-age=1576072000’; proxy_redirect off; } The cached DNS server will be configured with the following settings: server_addr $server:80 The server’s IP address, which can be different than the hostname.

server_port $server_port The DNS server’s port number.

proxy cache on;

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