Than Nướng Không Khói | Than Nuong Khong Khoi

DNS Resolution Error

The domain you're trying to reach cannot be found

🔍 What's Happening?

DNS Record Not Found: The Domain Name System (DNS) cannot locate the IP address for this domain. This means the website's DNS records either don't exist, haven't been configured properly, or haven't propagated across the internet yet. Or the requested domain is not yet added to an active hosting account.

DNS (Domain Name System) is like the internet's phone book - it translates human-readable domain names (like example.com) into IP addresses that computers use to connect to websites. When you see this page, it means this translation process has failed.

🛠️ Quick Solutions

1. Flush Your DNS Cache

Your computer stores DNS information temporarily. Clearing this cache can resolve outdated entries:

Windows:

ipconfig /flushdns

macOS:

sudo dscacheutil -flushcache

Linux:

sudo systemctl restart systemd-resolved

2. Try Different DNS Servers

Switch to public DNS servers that might have more up-to-date 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

⏱️ Typical Propagation Times:

• 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 it takes for DNS changes to spread across the internet's network of DNS servers worldwide. When a domain's DNS records are created or updated, these changes don't happen instantly everywhere.

Why Does Propagation Take Time?

• Caching: DNS servers cache records for a specified time (TTL - Time To Live)
• Global Network: Thousands of DNS servers worldwide need to update
• ISP Policies: Some internet providers refresh DNS records on their own schedule
• Geographic Location: Servers closer to the authoritative DNS update faster

🔧 Advanced Troubleshooting

Check DNS Resolution

Use these commands to test DNS resolution:

nslookup yourdomain.com dig yourdomain.com ping yourdomain.com

Try Different Networks

Test the domain on:

• Mobile data (different ISP)
• Different WiFi network
• VPN connection
• Public WiFi

🌐 Helpful Resources

Google Public DNS Setup instructions Cloudflare DNS Fast DNS resolver

🕐 What to Do Now

1. Try the quick solutions above - flush DNS cache and try different DNS servers
2. Wait 2-4 hours and try again if this is a new domain or recent DNS change
3. Test from different devices/networks to isolate the issue

This page is displayed when DNS resolution fails for a domain. The issue is typically temporary and resolves within a few hours.

Page generated automatically due to DNS resolution failure

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