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What Is DNS?
DNS Stand For Domain Name System, In Computer Networking DNS is a basic element for propagation. DNS simply resolves human-readable domain names into machine-readable IP form, and vice versa. Thus if your machine can’t communicate with the DNS server, the Internet would not work on your system. This mostly occurs due to incorrect DNS server Address, Corrupted DNS cache, virus malware infection etc.
1 What Is DNS?2 Fix DNS server unavailable Windows 102.1 Power cycle both your router and computer2.2 Flush DNS cache And Reset the TCP/IP stack2.3 Change DNS server Address In Windows 10/8/72.4 Disable Proxy2.5 Disable Security software
Fix DNS server unavailable Windows 10
If you are also struggling with this problem “DNS server unavailable no internet access” After a power outage, or Install latest windows updates. Here 5 effective solutions help to get rid of this problem “your DNS server might be unavailable” applicable on Windows 10, 8.1 and 7.
Power cycle both your router and computer
Start with Basic Troubleshooting Restart your PC and network device (Router, Switch, modem) this will fix the problem “dns server unavailable” if any temporary glitch causing the issue. To power cycle, your router and your computer, unplug each of the two devices from their power sources and then leave them in an unplugged state for anywhere between 60 – 90 seconds. Then after, plug them back into their power sources, boot them up, wait for them to start up completely and then try opening a website check problem solved. If not fallow next step,
Flush DNS cache And Reset the TCP/IP stack
Type cmd on start menu search, Right click on command prompt select run as administrator. Now perform command below one by one.
ipconfig /flushdns (To Flush and resets the contents of the DNS client resolver cache)ipconfig /registerdns (To registers all related DNS entries)ipconfig /release (To Release The current IP Address)ipconfig /renew (To Renew A new IP Address From DHCP server)Netsh Winsock reset (To reset Winsock catalog back to the default setting or clean state)
That’s All Now Type Exit to Close Command prompt and Restart windows compute the Take effect the changes that you applied through Commands.
Also If you are a Windows 10 user, After performing Above commands
Open Settings and select Network and InternetScroll down and click on Network ResetSelect Reset Now then after Restart windows.
This is the most working solution fixed all DNS server related Errors include DNS Server Might Be Unavailable, DNS server not responding etc for windows users.
Change DNS server Address In Windows 10/8/7
Also, change the current DNS Server Address And manually Assign Googles Free DNS Address is also a good applicable solution to fix DNS issues on Windows 10, 8.1/7.
Press Windows + R, type ncpa.cpl and ok to open network connections window.Right click on active network adapter, choose properties.Double click on Internet Protocol Version 4 (TCP/IPv4) to get its properties.Select the radio button Obtain an IP address automatically.Then select Use the following DNS server address and type.Preferred DNS server as 8.8.8.8 and Alternate DNS server as 8.8.4.4.Check Validate settings on exit.Click apply and ok to make save the changesNow Check Internet connection issue solved.
Note: These values are for the Google DNS server. If the Google DNS server address doesn’t work, you can use OpenDNS server address. For that, use the respective values for Preferred DNS server as 208.67.222.222 and Alternate DNS server as 208.67.220.220. Note: In case, you use IPv6; you need to use these-
Preferred DNS server: 2001:4860:4860::8888Alternate DNS server: 2001:4860:4860::8844
Disable Proxy
If you are using any Proxy server on your system, you should disable it to check if it is creating problems or not.
Press Windows + I shortcut key to open settings.Go to Network & Internet then select proxy.Now make sure only Automatically detect settings option is turned on.If any other option is turned on, you need to toggle that button to disable it.
Disable Security software
Perform Full System Scan: Most of the Times Virus malware infection cause a number of issues on the windows computer. There may be a malware/virus application causes The DNS server issue. We strongly recommend install a good antivirus application with latest updates and perform a full system scan. The after Restart windows and check, If virus malware is the cause of the DNS server issue After performing full system scan you never face any issues. Disable Your Firewall: Some people reported that after disabling their firewalls they problem was gone. This could be the solution for you too. Disable your firewall and check for the error. Repair Corrupted system files: On windows, computer number errors and problems caused due to corrupted and missing system files. Running the SFC Utility is a good solution to Repair and restore the missing system files, Which fix different system issues include DNS server not responding, DNS server might be unavailable. Did these solutions help to fix dns server unavailable, your dns server might be unavailable windows 10, 8.1 and 7? let us know on comments below, Also read
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