Berikut ini artikel tentang solusi masalah "DNS Server Is Not Responding":
DNS Server Is Not Responding: A Comprehensive Troubleshooting Guide
The dreaded "DNS Server Is Not Responding" error message can bring your internet browsing to a screeching halt. This frustrating issue prevents your computer from translating website addresses (like google.com) into the numerical IP addresses needed to connect to the internet. Fortunately, there are several troubleshooting steps you can take to resolve this problem. This guide will walk you through common solutions, from simple fixes to more advanced techniques.
Understanding the DNS Server
Before diving into solutions, it's helpful to understand what a DNS server is. Think of it as the internet's phone book. When you type a website address into your browser, your computer contacts a DNS server to find the corresponding IP address. If the DNS server isn't responding, your computer can't find the website.
Common Causes of the "DNS Server Is Not Responding" Error
Several factors can lead to this error. Here are some of the most common causes:
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Internet Connection Issues: The most basic cause is a problem with your internet connection. Ensure your modem and router are powered on and functioning correctly. Try restarting both devices. Check your internet cables to make sure they're securely connected.
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DNS Server Problems: The DNS server itself might be experiencing temporary outages or high traffic. This is less common but can happen.
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Incorrect DNS Server Settings: Your computer might be configured to use incorrect or unavailable DNS servers.
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Firewall or Antivirus Interference: Your firewall or antivirus software might be blocking access to DNS servers. Temporarily disabling these (after ensuring your computer is protected by other means) can help determine if they're the culprit. Remember to re-enable them afterward!
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Malware or Viruses: Malicious software can interfere with your DNS settings. Running a full system scan with your antivirus software is crucial.
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IP Address Conflicts: If there's a conflict in your IP address configuration, it can affect DNS resolution.
Troubleshooting Steps: A Step-by-Step Guide
Let's troubleshoot this error systematically:
1. Restart Your Computer and Network Devices
This simple step often resolves temporary glitches. Restart your computer, modem, and router. Wait for them to fully boot up before trying to access the internet again.
2. Check Your Internet Connection
Make sure your internet connection is working correctly. Try accessing other devices on your network. If other devices can't connect, the problem lies with your internet service provider (ISP) or your network hardware. Contact your ISP for assistance.
3. Flush Your DNS Cache
Your computer stores a cache of DNS entries. Sometimes, outdated entries can cause problems. Flushing the cache forces your computer to refresh its DNS information.
For Windows:
Open Command Prompt as administrator and type ipconfig /flushdns and press Enter.
For macOS:
Open Terminal and type sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder and press Enter. You'll need to enter your administrator password.
4. Change Your DNS Server
If flushing the cache doesn't work, try changing your DNS server settings. Consider using public DNS servers like Google Public DNS (8.8.8.8 and 8.8.4.4) or Cloudflare DNS (1.1.1.1 and 1.0.0.1) which are generally reliable and fast.
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Windows: Go to Network and Sharing Center -> Change adapter options -> right-click your network adapter -> Properties -> Internet Protocol Version 4 (TCP/IPv4) -> Properties -> Use the following DNS server addresses. Enter the preferred and alternate DNS server addresses.
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macOS: Go to System Preferences -> Network -> Select your network connection -> Advanced -> DNS -> "+" to add the new DNS servers.
5. Temporarily Disable Firewall and Antivirus
As mentioned, your security software might be interfering. Temporarily disable them to see if it resolves the issue. Remember to re-enable them as soon as you've finished troubleshooting.
6. Run a Malware Scan
Run a full system scan with your antivirus software to check for any malware or viruses that might be affecting your DNS settings.
7. Check for IP Address Conflicts
This is a more advanced step and might require some technical knowledge. Use the command prompt or terminal to check your IP address configuration. If there's a conflict, you'll need to resolve it accordingly.
8. Contact Your ISP
If none of the above steps work, the problem might be with your ISP's DNS servers or your internet connection. Contact your ISP's technical support for assistance.
By following these steps, you should be able to resolve the "DNS Server Is Not Responding" error and get back online. Remember to always prioritize security and re-enable your firewall and antivirus software after troubleshooting.
