Before going further, make sure your global IP address is dynamic with: ip. The global IP address of your box changes almost every day. This tutorial aim to get around dynamic IP issue which is: when the IP public address of your Internet Service Provider- box changes, the DNS zone is not updated to point towards the new IP address, and consequently your server is no more reachable via its domain name. After setting up the solution proposed in this tutorial, the redirection from your domain name to the actual IP address of your server will not be lost anymore. The method proposed here consists of automatizing the fact the box annonces its global IP adress change to the dynamic DNS, so that the DNS zone will automatically be updated.
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DNS servers are supposed to respond when a user's browser sends a query to find out the IP address of the website. If that doesn't happen, the website will be unavailable despite having a perfectly functional hosting. Dozens of servers respond to DNS queries at the same time. If one of them fails, the rest of the servers will remain operational. Uninterrupted operation even during peak periods including DDoS attacks due to a large number of servers. For proper functioning of DNS Hosting, you need to delegate domain, i. Computers connected to the Internet have no names; instead, they use hard-to-remember IP addresses numeric address like It translates more readily memorized domain names to IP addresses needed for the purpose of locating servers. DNS servers are servers running special software.
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Open UDP port 53 on system and external if applicable firewall. The problem that may be experienced, some domain registrars require two NS server with different IP addresses. To solve this, there may be different ways:. Hosting up to a few domains only on the same domain registrar for the same client or for selling. All the manipulations with DNS should be performed on a domain registrar side. This server could not verify that you are authorized to access the document requested. Either you supplied the wrong credentials e. Hi Jorge Cocompech ,.
The service is free. Host your domains on our reliable cloud nameservers and don't worry about additional costs. You can manage up to 50 domains without paying for it. Afterwards, the server to which the domain is bound to gets recognized and the user's browser can open the site located on it. A DNS server works within the framework of the Domain Name System and stores technical information about domains: IP addresses to access domains A address record , mail server domains MX mail exchanger record , etc. The faster the DNS server responds, the faster the site opens. By signing up you agree to the Terms of Service. Get Started.