How to Tell If Your DNS Is Causing Internet Issues
Learn how to identify bad DNS causing slow loading and time-outs, and how to fix it using tools like nslookup and public DNS servers.
Video transcript
Check for slow website loading times and frequent time-outs. Use tools like nslookup or ping to diagnose. If issues persist, switch to a public DNS like Google (8.8.8.8) or OpenDNS. Also, inspect your network settings and ensure firewall rules are not blocking DNS traffic.
Questions and answers
What are common signs of bad DNS?
Common signs include slow website loading, frequent time-outs, and inability to access certain sites.
How can I test if my DNS is working properly?
You can use tools like nslookup or ping to check DNS response and diagnose issues.
What is a public DNS and should I use one?
Public DNS servers like Google DNS or OpenDNS are free, reliable alternatives that can improve DNS resolution speed and reliability.
Related questions
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