What causes DNS error?

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Tags

1. #common
2. #problem
3. #google
4. #instead
5. #opendns
6. #other
7. #internet
8. #provider
9. #server
10. #simply
11. #servers
12. #system
13. #alternative
14. #changing
15. #responding
16. #overloaded
17. #error
18. #malfunctioning