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1. DNS Misconfiguration

Your Domain Name System (DNS) is like the address book of the internet. If it's not configured correctly, visitors won't be able to reach your website. This can happen after changing hosting providers, updating domain settings, or misconfiguring DNS records.

Quick Fix:

• Use tools like Domain Scan to verify if your domain is pointing to the correct IP address.
• Update A or CNAME records in your domain registrar's DNS settings.
• Contact your hosting provider if the issue persists.

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2. Expired Domain or Hosting

One of the simplest, yet most overlooked, reasons for downtime is an expired domain name or hosting plan.

Quick Fix:

• Check your domain registration date and renew it if expired.
• Verify that your hosting subscription is active and hasn't lapsed due to missed payments.

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3. Server Configuration Errors

Misconfigured server settings, corrupted files, or a faulty .htaccess file can cause your website to display errors like 500 Internal Server Error.

Quick Fix:

• Log in to your hosting control panel and inspect the .htaccess file for possible errors.
• Review recent changes in server settings or custom configurations.
• If unsure, contact your hosting support team for assistance.

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4. Plugin or Theme Errors (For CMS Websites)

If you're using a CMS like WordPress, a faulty plugin or theme could bring your site down after an update or conflict.

Quick Fix:

• Access your site via FTP or File Manager in cPanel and disable all plugins by renaming the plugins folder.
• Activate them one by one to identify the culprit.
• Revert to a default theme if a custom theme is causing issues.

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5. Traffic Spikes and Server Overload

A sudden surge in traffic-such as during a promotion or viral post-can overwhelm your hosting server, especially if you're on shared hosting.

Quick Fix:

• Enable caching solutions like LSCache or Cloudflare to reduce server load.
• Upgrade to a hosting plan that can handle higher traffic volumes.

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6. DNS Propagation After Changes

If you recently migrated your site or updated DNS records, it might take 24-48 hours for the changes to propagate worldwide.

Quick Fix:

• Be patient and use a temporary preview URL or modify your local hosts file to access your site.

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7. Malware or Security Breaches

Malware infections or a hacked website can lead to downtime, blacklisting, or redirects.

Quick Fix:

• Scan your website with security tools like Imunify360 or Wordfence (for WordPress).
• Restore a clean backup and update all software, themes, and plugins.
• Consider enabling a Web Application Firewall (WAF) for extra protection.

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8. SSL Certificate Issues

If your SSL certificate has expired or is improperly configured, your site might show a "Not Secure" warning or fail to load altogether.

Quick Fix:

• Check the status of your SSL certificate in your hosting control panel.
• Renew or reinstall the certificate as needed.

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9. Network or Hosting Outages

Sometimes the issue isn't on your end but with your hosting provider or a global internet outage.

Quick Fix:

• Contact your hosting provider's support team to confirm and get an estimated resolution time.

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10. Database Errors

If your website relies on a database (like MySQL), corrupted tables or connection errors could cause downtime.

Quick Fix:

• Check your database credentials in the configuration file (e.g., wp-config.php for WordPress).
• Use phpMyAdmin in cPanel to repair or optimize the database.

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Conclusion

A website going down can be stressful, but knowing the common causes-from DNS errors to server issues-empowers you to fix problems faster and keep your online presence reliable. Regular monitoring, timely updates, and choosing a trusted hosting provider like Register.lk can help prevent future downtime.