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The domain name system DNS
The Domain Name System (DNS) is one of the most important services in the internet. Its main function is to translate between domain names and IP addresses and to list mail exchange servers accepting e-mail for each domain. The DNS is a hierarchical Database that manages the internet namespace, distributed over thousands of servers worldwide. This namespace is devided in zones, of which each is under the responsibility of independent administrators.
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    Uniplace CheckDNS.NET 2.0 (build 117)


Welcome to CheckDNS.NET!


What does CheckDNS.NET ?
CheckDNS.NET can check DNS delegation, mail and web servers in your domain.

Easy to use: just enter the domain name (for example, "yourdomain.com") to get a free report on this domain.
Moreover, with PowerCheck you can check all domains in your responsibility at once and save this result.
 CheckDNS.net Quick Check Utility
 Enter your domain to test here...

 Use the CheckDNS.net analyzer to:
  • Check if your domain has appropriate DNS servers delegated
  • See if your DNS servers are alive
  • Test if your hosting service is functioning
  • Verify if your DNS servers server the zone corresponding to your domain
  • Make out if all DNS servers have the same zone version
  • Check if your WWW-Web server is running
  • Verify if your hosting service is alive
  • Test if your mail server is receiving emails
  • Check if how many backup MX servers are configured within your zone
  • Test if these backup servers are functioning in case your primary MX is down
  • Validate if your backup mail server rejects your email in case of a failure because of an not optimal configured open relay restriction
  • Check your SOA record
  • Test if all your WWW-Server clustered nodes are up and running with DNS round robin
  • Web-Tool to get a full report to check if all relevant elements are in "the green range"
  • Get a step by DNS analysis and find out where the fault can be located, in a case when your Site is down or not reachable
  • Test if your Web Server is reachable from outside (from the internet)
  • Online Check if your mail servers are reachable from outside (from the internet)
  • Test if your Firewall allows the appropriate incoming communication for your DNS, mail, and web servers
  • Proof your ISP, if the a hosted DNS zone is properly and functioning
  • Hosting- and web server health check





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