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DNS Resolution Error - Domain Not Found

The DNS resolution error indicates that the domain you're trying to reach cannot be found. This issue can stem from a variety of factors including unresolved DNS records or the domain not being associated with an active hosting account.

What's Happening?

The Domain Name System (DNS), which functions as the internet's phone book, is unable to translate the human-readable domain name into an IP address. This problem arises when DNS records are missing, improperly configured, or delayed in propagating across the internet.

🛠️ Quick Solutions

1. Flush Your DNS Cache:

   Your computer saves DNS information temporarily. Clearing this can often resolve outdated entries.

   Operating System	Command
   Windows	ipconfig /flushdns
   macOS	sudo dscacheutil -flushcache
   Linux	sudo systemctl restart systemd-resolved

2. Try Different DNS Servers:

   Switching to public DNS servers might provide more current records:

   • Google Public DNS: Primary - 8.8.8.8, Secondary - 8.8.4.4
   • Cloudflare DNS: Primary - 1.1.1.1, Secondary - 1.0.0.1
   • Quad9 DNS: Primary - 9.9.9.9, Secondary - 149.112.112.112
3. Wait for DNS Propagation:

   Propagation times can vary:

   Provider	Propagation Time
   Local ISP	15 minutes - 2 hours
   Regional Providers	2 - 8 hours
   Global Propagation	24 - 48 hours
   Full Propagation	Up to 72 hours

📚 Understanding DNS Propagation

DNS propagation is the time needed for DNS changes to be updated across global servers. Factors affecting propagation time include caching policies, the global network structure, ISP practices, and geolocation of servers.

🔧 Advanced Troubleshooting

To further diagnose DNS resolution:

• Use commands like nslookup yourdomain.com, dig yourdomain.com, or ping yourdomain.com.
• Test different networks such as mobile data, different Wi-Fi connections, or VPNs to pinpoint the issue.

🕐 What to Do Now?

Start with the quick solutions. If the issue persists, wait a few hours before trying again, particularly if recent DNS changes were made. Testing from other devices and networks can also help isolate the problem.