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dns problems, why are they there and how to fix it?


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every once in a while i get a dns error and i dont have acces to the internet.

resetting the router doesnt help and flushing the dns data through cmd doesnt help either.

 

where does a dns error come from?

how does it exist?

and more inportantly, how to fix it?

 

sorry to barrage the questions but i am just curious :P

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Well that is kind of a wide open vague question. What would be more useful is what DNS are you using (eg. ISP's DNS, OpenDNS, Google, etc) and what the DNS error message says.

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Well that is kind of a wide open vague question. What would be more useful is what DNS are you using (eg. ISP's DNS, OpenDNS, Google, etc) and what the DNS error message says.

 

i have actually no idea what dns i use D:

and the error message is that there is a dns error, windows doesnt tell me more >.<

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And that's in Windows 7, right?

It has been reported that in case of some users it automatically resets gateway/DNS or both of them.

 

ye windows 7.

 

i dont have it often and it is over in 30 minutes but i was wondering why i get it and what the reason is why one would get a dns error to begin with.

seems it is a more difficult question than i thought xD

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DNS = domain name service.

Because people would rather not type in IP addresses, they type in a name such as Facebook.com and the DNS server figures out what IP you need to connect to. Your ISP has a DNS server that updates from the root DNS servers. If your ISP's DNS server is down, you'd get an error. You can use a this party dns server such as Opendns if your ISP DNS server is sucking.

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DNS = domain name service.

Because people would rather not type in IP addresses, they type in a name such as Facebook.com and the DNS server figures out what IP you need to connect to. Your ISP has a DNS server that updates from the root DNS servers. If your ISP's DNS server is down, you'd get an error. You can use a this party dns server such as Opendns if your ISP DNS server is sucking.

 

this, i understand :P

 

@waco, if i install openDNS, it asks me to change my dns for either my computer, router or dns server, which one should i choose? :P

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If your router hands out DHCP addresses then set them on the router. If you have static IP's then set it on the computer.

 

already setted it on the computer, i dont know if i have a dynamic ip or not but we'll see :P

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