The Domain Name Server (DNS) is not reachable - Microsoft
DNS Server Not Reachable Warning Message When Configuring ”The DNS server entered in not reachable. This is due to either the Virtual Machine’s network is attached to a Host-only Adapter(applies to VM’s running on Virtual Box) or some other network issue. It is not recommended to continue the installation with static IP configuration without basic network functionality. Some of components will Dynamic DNS (DDNS) Troubleshooting Guide | Support | No-IP In the case of a web server being denied access on port 80, you can use the Port 80 Redirect feature of our Dynamic DNS service. The Port 80 Redirect is available as a part of any of our Dynamic DNS and Managed DNS packages. This allows you to specify a different port for your website to use and is transparent to your users. Solving intermittent DNS issues on your custom Azure Oct 07, 2014 "Connect : Network is Unreachable" | Howtoforge - Linux
CUCM 11.5 WARNING: DNS unreachable - Cisco Community
[SOLVED] Why wouldn't a computer query the 2nd DNS server
Aug 14, 2011
Aug 14, 2011 Solved: Why my domain is not reachable? - GoDaddy Community This was not caused by any changes to the site code, it was a DNS issue. If your site and DNS servers are on the same machine, and you have admin access to it, you can check its uptime to see if it was rebooted. Also, if your site and DNS are on the same server, you should consider using multiple nameservers to reduce possibilities of DNS failure. [SOLVED] Why wouldn't a computer query the 2nd DNS server Mar 09, 2017 Amazon EC2 instance IP addressing - Amazon Elastic Compute Private IPv4 Addresses and Internal DNS Hostnames A private IPv4 address is an IP address that's not reachable over the Internet. You can use private IPv4 addresses for communication between instances in the same VPC. For more information about the standards and specifications of …