If your domain is still pointing to your old website after updating your DNS records, it is due to DNS propagation or local caching. Internet service providers and your local computer cache IP addresses to speed up browsing. To fix this, flush your computer's local DNS cache, clear your browser history, or test your site using a cellular network.
What Is DNS Propagation and Local Caching?
When you change DNS records, the update doesn't reach every server on the internet instantly:
DNS propagation: The time it takes for DNS changes to spread across global DNS servers. Typically 1-24 hours, sometimes up to 48.
Local caching: Your devices store DNS lookups to speed up repeat visits. Even after global propagation completes, your local cache may serve old data.
The result: Your clients see the new site. You're stuck seeing the old one. Nothing is broken, your devices just haven't received the update yet.
Root Cause 1: ISP Caching
Your internet provider caches DNS lookups for all customers. Even if your registrar updated instantly, your ISP may hold onto old records for hours.
The cellular network trick: Turn off Wi-Fi on your phone and load the site using mobile data. Different network = different DNS servers = likely sees the new site.
If mobile shows the new site: Propagation is complete. Your home network is caching old data. Wait, or flush caches.
If mobile shows the old site: Propagation is still in progress globally. Wait longer.
This is the fastest way to confirm your DNS changes are working without touching any settings.
Root Cause 2: Browser Caching
Browsers cache more than images, they cache redirects, HSTS policies, and DNS lookups.
Cached redirects: Old 301 redirects persist in browser memory.
HSTS policies: Security headers force HTTPS. Old policies linger.
The fix: Clear all browser data or test in a completely different browser.
Implementation Steps: Clear Caches and Verify
Step 1: Test on mobile data (Wi-Fi off). If the new site appears, propagation is complete.
Step 2: Flush local DNS cache:
- Windows:
ipconfig /flushdns
- Mac:
sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
Step 3: Clear browser cache, select "All time" and include cached files.
Step 4: Try incognito/private mode for fresh session.
Step 5: Restart router (unplug 30 seconds) to clear router cache.
Step 6: Use DNS checker tools (DNSChecker.org, WhatsMyDNS.net) to verify global propagation.
Step 7: In NameSilo's DNS Manager, confirm the IP address is correct. Common Mistakes
Re-editing DNS out of panic: Every change can reset TTL timers. If you keep modifying records, propagation restarts. Make the change once, then wait.
Only clearing browser cache: Browser cache is one layer. OS and router caches also need flushing.
Assuming it's broken: If mobile data shows the new site, everything is working. Your local network just needs time.
Typos in IP address: One wrong digit routes to someone else's server. Double-check your A record.
What This Means for You
NameSilo's DNS Manager lets you verify your records are correct. Check that A records point to the right IP before waiting for propagation. Need a new domain? Configure DNS correctly from day one. Frequently Asked Questions
How long does it take for DNS to update?
Usually 1-24 hours, sometimes 48.
Why can others see my new website but I can't?
Your local/ISP cache holds old data.
How do I flush my DNS cache?
Windows: ipconfig /flushdns. Mac: sudo dscacheutil -flushcache.
What is a DNS checker tool?
Online tool showing global propagation status.
Does clearing browser cache fix DNS?
Partially. Also flush OS cache and router.
Why is my site redirecting to the old host?
Browser cached old redirect. Clear all data.
What happens if I change DNS records again?
Timers reset, extending propagation.
How do I change my router's DNS?
Router admin panel → DNS servers
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